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mechanics, an orbit is the curved trajectory of an object under the influence of an attracting force. Alternatively, it is known as an orbital revolution...

A low Earth orbit (LEO) is an orbit around Earth with a period of 128 minutes or less (making at least 11.25 orbits per day) and an eccentricity less...

Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), or 8.317 light-minutes, in a counterclockwise direction as viewed...

orbit in Wiktionary, the free dictionary. In physics, an orbit is the gravitationally curved path of one object around a point or another body. Orbit...

Earth and a tenth that of the Sun. Jupiter orbits the Sun at a distance of 5.20 AU (778.5 Gm), with an orbital period of 11.86 years. It is the third-brightest...

A geocentric orbit, Earth-centered orbit, or Earth orbit involves any object orbiting Earth, such as the Moon or artificial satellites. In 1997, NASA estimated...

diameter of the planet (4,880 km or 3,030 mi). Being the most inferior orbiting planet, it always appears close to the Sun in Earth's sky, either as a...

A geostationary orbit, also referred to as a GEO or GSO, is a circular geosynchronous orbit 35,786 km (22,236 mi) in altitude above Earth's equator, 42...

Look up orbital in Wiktionary, the free dictionary. Orbital may refer to: Atomic orbital Molecular orbital Hybrid orbital Orbit Earth orbit Orbit (anatomy)...

The ArcelorMittal Orbit (often referred to as the Orbit Tower or its original name, Orbit) is a 114.5-metre (376-foot) sculpture and observation tower...

A Sun-synchronous orbit (SSO), also called a heliosynchronous orbit, is a nearly polar orbit around a planet, in which the satellite passes over any given...

elliptical orbit or eccentric orbit is an orbit with an eccentricity of less than 1;[citation needed] this includes the special case of a circular orbit, with...

ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest...

value of 0 is a circular orbit, values between 0 and 1 form an elliptic orbit, 1 is a parabolic (escape orbit or capture orbit), and greater than 1 is...

Orbit, also sold in some markets as Extra, Freedent or Yida, is a brand of sugarless chewing gum from the Wrigley Company. In the United States, where...

The orbit of the Moon is, while stable and known, highly complex, and as such still studied by lunar theory. Most models describe the Moon's orbit geocentrically...

In quantum mechanics, the spin–orbit interaction (also called spin–orbit effect or spin–orbit coupling) is a relativistic interaction of a particle's spin...

Halo orbit A halo orbit is a periodic, non-planar orbit associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital mechanics...

astronautics, the Hohmann transfer orbit (/ˈhoʊmən/) is an orbital maneuver used to transfer a spacecraft between two orbits of different altitudes around...

vertebrate anatomy, the orbit is the cavity or socket/hole of the skull in which the eye and its appendages are situated. "Orbit" can refer to the bony...

gravitational orbit classified by various characteristics. The following is a list of types of orbits: Galactocentric orbit: An orbit about the center...

a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. The...

and a central subject of astronomical research since antiquity. The Sun orbits the Galactic Center at a distance of 24,000 to 28,000 light-years. Its mean...

less than a third of its mass. Saturn orbits the Sun at a distance of 9.59 AU (1,434 million km), with an orbital period of 29.45 years. Saturn's interior...

Earth orbit may refer to: Earth's orbit, the orbit of the Earth around the Sun Geocentric orbit, an orbit around the Earth Geostationary orbit Geosynchronous...

In Orbit may refer to: In Orbit (September album) In Orbit (Clark Terry album) In Orbit, an album by The Stomachmouths In Orbit, an album by Sun Araw In...

debris) are defunct human-made objects in space – principally in Earth orbit – which no longer serve a useful function. These include derelict spacecraft...

The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy...

A Molniya orbit (Russian: Молния, IPA: [ˈmolnʲɪjə] , "Lightning") is a type of satellite orbit designed to provide communications and remote sensing coverage...

In celestial mechanics, a Kepler orbit (or Keplerian orbit, named after the German astronomer Johannes Kepler) is the motion of one body relative to another...

Near Orbit is a 1989 role-playing game supplement published by R. Talsorian Games for Cyberpunk. Near Orbit is a supplement that introduces rules for adventuring...

Mark Wainwright (born 15 December 1956), known professionally as William Orbit, is an English musician and record producer who has sold 200 million recordings...

trajectory In orbital mechanics, a Lissajous orbit (pronounced [li.sa.ʒu]), named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that...

astronomy and astrodynamics the osculating orbit of an object in space at a given moment in time is the orbit it would have around its central body if perturbations...

The International Space Station (ISS) is a space station in low Earth orbit (LEO). It is the product of the International Space Station program and is...

Orbit Culture is a Swedish melodic death metal band from Eksjö, formed in 2013. The band includes vocalist and rhythm guitarist Niklas Karlsson, lead...

Martian orbit may refer to: the orbit of Mars around the Sun an areocentric orbit, orbit of an object around Mars an areostationary orbit an areosynchronous...

nearest point in the orbit of a planetary body about its primary body. The line of apsides (also called apse line, or major axis of the orbit) is the line connecting...

graveyard orbit, also called a junk orbit or disposal orbit, is an orbit that lies away from common operational orbits. One significant graveyard orbit is a...

as orbit corrections, and hence fuel requirements, needed to maintain the desired orbit are kept at a minimum. For any combination of two orbital bodies...

the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around...

artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. They have a variety of uses, including communication...

Neptune is the eighth and farthest known planet orbiting the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive...

spaceflight, a lunar orbit (also known as a selenocentric orbit) is an orbit by an object around Earth's Moon. In general these orbits are not circular....

The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and...

Virgin Orbit was a company within the Virgin Group that provided launch services for small satellites. The company was formed in 2017 as a spin-off of...

System is the gravitationally bound system of the Sun and the masses that orbit it, most prominently its eight planets, of which Earth is one. The Solar...

became the first rocket to land propulsively after delivering a payload into orbit. This reusability results in significantly reduced launch costs, as the...

Orbital elements are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are considered in two-body systems...

transfer orbit (GTO) or geosynchronous transfer orbit is a highly elliptical type of geocentric orbit, usually with a perigee as low as low Earth orbit (LEO)...

A medium Earth orbit (MEO) is an Earth-centered orbit with an altitude above a low Earth orbit (LEO) and below a high Earth orbit (HEO) – between 2,000...

A geosynchronous orbit (sometimes abbreviated GEO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours...

sufficient energy or velocity to make a full Earth orbit. For orbital spaceflights, spacecraft enter closed orbits around the Earth or around other celestial...

In mathematics, the orbit method (also known as the Kirillov theory, the method of coadjoint orbits and by a few similar names) establishes a correspondence...

Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to rockets, satellites, and other spacecraft. The motion of...

orbit (TAO) is an orbit around a celestial body in which a portion of the orbit intersects with the defined atmosphere. Transatmospheric Earth orbits...

the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs)—bodies beyond Neptune that orbit the Sun at distances averaging...

Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a reference plane and the orbital...

and the sight of the much larger and visible co-orbiting R-7 booster that had placed it into orbit, was widely viewed on both sides as effective propaganda...

In quantum mechanics, an atomic orbital is a function describing the location and wave-like behavior of an electron in an atom. This function describes...

A polar orbit is one in which a satellite passes above or nearly above both poles of the body being orbited (usually a planet such as the Earth, but possibly...

heliocentric orbit (also called circumsolar orbit) is an orbit around the Sun. The inner planets are mainly influenced by the Sun's gravity, and orbit points...

Orbit College is a South African football club based in the North West province. The club earned promotion to the 2025–26 South African Premiership after...

Orbit Group is a housing group providing affordable housing to around 47,000 households in England, mainly in the Midlands, East Anglia and the south...

Orbital decay is a gradual decrease of the distance between two orbiting bodies at their closest approach (the periapsis) over many orbital periods. These...

astrodynamics, orbital station-keeping is keeping a spacecraft at a fixed distance from another spacecraft or celestial body. It requires a series of orbital maneuvers...

horseshoe orbit of (419624) 2010 SO16 around the Earth-Sun system over 900 years In celestial mechanics, a horseshoe orbit is a type of co-orbital motion...

Venusian orbit may refer to: the orbit of Venus around the Sun a cytherocentric orbit, orbit of an object around Venus Terrestrial orbit (disambiguation)...

A circular orbit is an orbit with a fixed distance around the barycenter; that is, in the shape of a circle. In this case, not only the distance, but...

March 2026[update], the constellation consists of over 10,020 satellites in low Earth orbit (LEO) that communicate with designated ground transceivers. Starlink constitutes...

Tundra orbit (Russian: орбита «Тундра») is a highly elliptical geosynchronous orbit with a high inclination (approximately 63.4°), an orbital period of...

In spaceflight, an orbital maneuver (otherwise known as a burn) is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far...

Orbit Books is an international publisher that specialises in science fiction and fantasy books. It is a division of Hachette Book Group, owned by Lagardère...

Orbit was a series of anthologies of new science fiction edited by Damon Knight, often featuring work by such writers as Gene Wolfe, Joanna Russ, R. A...

and walked on the lunar surface, while Michael Collins remained in lunar orbit in the command and service module (CSM), and all three landed safely on...

perpendicular to its orbital plane around the Sun, producing seasons. Earth is orbited by one permanent natural satellite, the Moon, which orbits Earth at 384...

MIO: Memories in Orbit is a Metroidvania platformer video game developed by Douze Dixièmes and published by Focus Entertainment. It was released on 20...

In orbital mechanics a near-rectilinear halo orbit (NRHO) is a halo orbit that passes close to the smaller of two bodies and has nearly stable behavior...

In spaceflight an orbit insertion is an orbital maneuver which adjusts a spacecraft’s trajectory, allowing entry into an orbit around a planet, moon, or...

Final Orbit is a 2025 alternate history, thriller novel by Canadian retired astronaut and writer Chris Hadfield. It was first published in October 2025...

A single-stage-to-orbit (SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines...

orbital spaceflight. NASA's first orbital spaceflight was conducted by John Glenn on February 20, 1962, in the Friendship 7, making three full orbits...

A supersynchronous orbit is either an orbit with a period greater than that of a synchronous orbit, or just an orbit whose major axis is larger than that...

An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least...

In astrodynamics, an orbit equation defines the path of orbiting body m 2 {\displaystyle m_{2}\,\!} around central body m 1 {\displaystyle m_{1}\,\!}...

occupy an inclined orbit around Earth if the orbit exhibits an angle other than 0° to the equatorial plane. This angle is called the orbit's inclination. A...

Mars Orbiter Mission (MOM), unofficially known as Mangalyaan (Sanskrit: Maṅgala 'Mars', Yāna 'Craft, Vehicle'), is a space probe orbiting Mars since 24...

Cartoon Orbit was an online gaming network created by Turner Online for CartoonNetwork.com that launched in November 2000 to promote its shows and partners...

Orbit is the first studio album by English musician William Orbit. While all of his later solo albums are predominantly instrumental, this album consists...

period of 17 hours and 14 minutes. This means that in an 84-Earth-year orbital period around the Sun, its poles get around 42 years of continuous sunlight...

Orbit Downloader is a discontinued download manager for Microsoft Windows. Launched in 2006, its developers abandoned it in 2009. In 2013, Orbit Downloader...

the orbit O has type (H) if the stabilizer Gx of some/any x in O belongs to (H). A maximal orbit type is often called a principal orbit type. Orbits and...

data centers or orbital AI infrastructure are proposed concepts to build AI data centers in the sun-synchronous orbit or other orbits utilizing space-based...

An electron orbital may refer to: An atomic orbital, describing the behaviour of an electron in an atom A molecular orbital, describing the behaviour...

Orbit Baby is an American baby product company known for manufacturing travel systems and its patented SmartHub rotational interface.It was founded by...

An orbital node is either of the two points where an orbiting object intersects a plane of reference inclined with respect to the orbital plane. A non-inclined...

astronomy, Kepler's laws of planetary motion give good approximations for the orbits of planets around the Sun. They were published by Johannes Kepler from 1608...

Terrestrial orbit may refer to: the orbit of the Earth around the Sun a geocentric orbit, orbit of an object around the Earth a geosynchronous orbit a geostationary...

In orbital mechanics, a transfer orbit is an intermediate elliptical orbit that is used to move a spacecraft in an orbital maneuver from one circular...

orbits around Earth at an average distance of 384,399 kilometers (238,854 mi), a distance roughly 30 times the width of Earth. It completes an orbit (lunar...

A sub-orbital spaceflight is a spaceflight in which the vehicle reaches outer space, but its trajectory intersects the surface of the gravitating body...

Orbit determination is the estimation of orbits of objects such as moons, planets, and spacecraft. One major application is to allow tracking newly observed...

First Orbit is a 2011 feature-length, experimental documentary film about Vostok 1, the first human space flight around the Earth. By matching the orbit of...

The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. It is boosted into space by a launch vehicle, re-enters...

A high Earth orbit is a geocentric orbit with an apogee farther than that of the geosynchronous orbit, which is 35,786 km (22,236 mi) away from Earth....

A highly elliptical orbit (HEO) or highly eccentric orbit is an orbit of one body about another with high eccentricity, usually referring to one around...

It describes a situation in which the density of objects in low Earth orbit (LEO) becomes so high due to space pollution that collisions between these...

In mathematics, specifically in the study of dynamical systems, an orbit is a collection of points related by the evolution function of the dynamical...

an orbit with a semimajor axis of 1.524 astronomical units (228 million km) (12.673 light minutes), and an eccentricity of 0.0934. The planet orbits the...

Very low Earth orbit (VLEO) is a range of geocentric orbits with lowest altitudes (at perigee) below 400 km (250 mi). It is of increasing commercial importance...

astrodynamics, orbit phasing is the adjustment of the time-position of spacecraft along its orbit, usually described as adjusting the orbiting spacecraft's...

containing a cabin for two astronauts and a small engine to return them to lunar orbit. After a three-day transit, Armstrong and Aldrin descended to the surface...

An orbital propellant depot is a cache of propellant that is placed in orbit around Earth or another body to allow spacecraft or the transfer stage of...

the project. The spacecraft will orbit the asteroid from August 5, 2029, to October 31, 2031, spending 817 days in orbit. Psyche uses solar-powered Hall-effect...

Lunar orbit rendezvous (LOR) is a process for landing humans on the Moon and returning them to Earth. It was utilized for the Apollo program missions...

Orbit ESPN (defunct) Orbit Sports (defunct) Orbit Sports 1 (defunct) Orbit Sports 2 (defunct) Orbit Sports 3 (sefunct) Orbit Sports 4 (defunct) Orbit...

Orbit modeling is the process of creating mathematical models to simulate motion of a massive body as it moves in orbit around another massive body due...

) is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the...

Look up orbiter in Wiktionary, the free dictionary. An orbiter is a type of spacecraft. Orbiter may also refer to: Space Shuttle orbiter, the main component...

artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program...

The microcosmic orbit (小周天), also known as the Self Winding Wheel of the Law, is a Taoist qigong energy cultivation technique. It involves deep breathing...

a homoclinic orbit is a path through phase space which joins a saddle equilibrium point to itself. More precisely, a homoclinic orbit lies in the intersection...

Orbital is a 2023 novel by English novelist Samantha Harvey that incorporates elements of science fiction, literary fiction, and philosophical fiction...

A fixed orbit is the concept, in atomic physics, where an electron is considered to remain in a specific orbit, at a fixed distance from an atom's nucleus...

astronomy, a co-orbital configuration is a configuration of two or more astronomical objects (such as asteroids, moons, or planets) orbiting at the same,...

and its orbital axis, which is the line perpendicular to its orbital plane; equivalently, it is the angle between its equatorial plane and orbital plane...

D-Orbit (as in de-orbit) is a private aerospace company, headquartered in Italy. D-Orbit is mainly active in private spaceflight and space tug services...

two-stage-to-orbit (TSTO) or two-stage rocket is a launch vehicle in which two distinct stages provide propulsion consecutively in order to achieve orbital velocity...

Orbiter is a space flight simulator video game developed to simulate spaceflight using realistic Newtonian physics. The game was released on 27 November...

Tidal locking between a pair of co-orbiting astronomical bodies occurs when one of the objects reaches a state where there is no longer any net change...

satellite constellation technology. As of 2026[update], SpaceX conducts more orbital launches annually than any other launch provider, including private competitors...

spacecraft to lunar orbit in 2022. Artemis II sent four astronauts on a lunar flyby in 2026, becoming the first crewed flight beyond low Earth orbit since the Apollo...

orbit for an orbit around Earth and heliocentric orbit for an orbit around the Sun. As with these other orbits, the apsides of an areocentric orbit are...

Orbit Semiconductor, Inc. manufactures semiconductors devices. The company designs electronic systems for application in the medical, telecommunication...

Retrograde motion in astronomy is, in general, orbital or rotational motion of an object in the direction opposite the rotation of its primary, that is...

A space elevator, also referred to as a space bridge, star ladder, and orbital lift, is a proposed type of planet-to-space transportation system, often...

mechanics, orbital precession may refer to: Apsidal precession, where the major axis of an elliptical orbit cycles its orientation within its orbital plane...

On-orbit satellite servicing refers to refueling, boosting, or repairing space satellites while in orbit. New commercial interest in on-orbit servicing...

in orbit: 2001 Mars Odyssey, Mars Express, Mars Reconnaissance Orbiter, MAVEN, ExoMars Trace Gas Orbiter, the Hope orbiter, and the Tianwen-1 orbiter. Another...

Objects have reentered with speeds ranging from 7.8 km/s for low Earth orbit to around 12.5 km/s for the Stardust probe. They have high kinetic energies...

the equilibrium points at the start and end of the orbit are the same, the orbit is a homoclinic orbit. Consider the continuous dynamical system described...

separate the two vehicles. Only multistage rockets have reached orbital speed. Single-stage-to-orbit designs are sought, but have not yet been demonstrated on...

religions. Comets usually have highly eccentric elliptical orbits, and they have a wide range of orbital periods, ranging from several years to potentially several...

In orbital mechanics, a frozen orbit is an orbit for an artificial satellite in which perturbations have been minimized by careful selection of the orbital...

dwarf planet in the outermost reaches of the Solar System, orbiting the Sun far beyond the orbit of Neptune. It was discovered in 2003, and is roughly 1...

In mathematics, an orbit trap is a method of colouring fractal images based upon how close an iterative function, used to create the fractal, approaches...

Orbital inclination change is an orbital maneuver aimed at changing the inclination of an orbiting body's orbit. This maneuver is also known as an orbital...

Telescope (HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope,...

trans-Neptunian object (TNO) in the scattered disk and has a high-eccentricity orbit. Eris was discovered in January 2005 by a Palomar Observatory–based team...

Air-launch-to-orbit (ALTO) is the method of launching smaller rockets at altitude from a heavier conventional horizontal-takeoff aircraft, to carry satellites...

An areostationary orbit, areosynchronous equatorial orbit (AEO), or Mars geostationary orbit is a circular areo­synchronous orbit (ASO) approximately...

the first to orbit the Earth. A stray mongrel from the streets of Moscow, she flew aboard the Sputnik 2 spacecraft, launched into low orbit on 3 November...

A distant retrograde orbit (DRO), as most commonly conceived, is a spacecraft orbit around a moon that is highly stable because of its interactions with...

Royal Orbit (April 25, 1956 - c. 1980) was an American Thoroughbred racehorse best known as the winner of the Preakness Stakes, the second leg of the...

system is a system of two stars that are gravitationally bound to and in orbit around each other. Binary stars are among the most important objects in...

successive recurrences of the same phase: due to the eccentricity of the Moon's orbit, this duration is not perfectly constant but averages about 29.5 days. The...

Low Orbit Ion Cannon (LOIC) is an open-source network stress testing and denial-of-service attack application written in C#. LOIC was initially developed...

Orbit spectrum, also known as satellite spectrum, is a segment of a radio spectrum that becomes available when satellites are placed into orbit. This...

on December 27, and an improved orbit solution was computed. Radar astrometry in January 2005 further refined its orbit solution. The discovery was notable...

Wikibooks has a book on the topic of: Fractals In mathematics, an orbit portrait is a combinatorial tool used in complex dynamics for understanding the...

term geocentric orbit for an orbit around Earth and heliocentric orbit for an orbit around the Sun. The apsides of an Cytherocentric orbit are pericytherion...

capsule in a roughly 300 km (190 mi) orbit on 8 December 2010, The capsule re-entered the atmosphere after two orbits, allowing testing for the pressure...

Sun orbit may refer to: Heliocentric orbit, around the Sun Orbit of the Sun around the Galactic Center This disambiguation page lists articles associated...

Blue Orbit by Citrus Leisure is Sri Lanka's first and only revolving restaurant at the 751 ft (229 m) located on the 26th floor of the Colombo Lotus Tower...

The Orbit Room was a live music venue and bar located at 580A College Street in Toronto, Ontario. Co‑founded in 1994 by music promoter Tim Notter and...

E.O.S.: Earth Orbit Stations is a space station construction and management simulation video game developed by Karl Buiter for Electronic Arts. It was...

Earth orbit rendezvous (EOR) is a method for conducting round trip human flights to the Moon, involving the use of space rendezvous to assemble, and possibly...

crewed flyby of the Moon. It was the first crewed flight beyond low Earth orbit since Apollo 17 in 1972, the first crewed flight of the NASA-led Artemis...

In mathematics, nilpotent orbits are generalizations of nilpotent matrices that play an important role in representation theory of real and complex semisimple...

The ZTE Orbit (also known as the ZTE Render) is a budget smartphone developed by ZTE that runs Microsoft's Windows Phone 7.5 operating system. It was...

early highlight of the Space Race, its goal was to put a man into Earth orbit and return him safely, ideally before the Soviet Union. Taken over from...

the principal orbit type theorem states that compact Lie group acting smoothly on a connected differentiable manifold has a principal orbit type. Suppose...

brightest "morning star" or "evening star". Venus orbits closer to the Sun than the Earth does. The orbits of Venus and Earth make the two planets approach...

Orbital Reef is a low Earth orbit (LEO) space station under development. It is designed by Blue Origin and Sierra Space for commercial space activities...

Orbit is the name given to Major League Baseball's Houston Astros mascot, a lime-green alien wearing an Astros jersey with antennae extending into baseballs...

two-body problem, the specific orbital energy ε {\displaystyle \varepsilon } (or specific vis-viva energy) of two orbiting bodies is the constant quotient...

orbit@home was a BOINC-based volunteer computing project of the Planetary Science Institute. It uses the "Orbit Reconstruction, Simulation and Analysis"...

The orbital module is a compartment of some space capsules used only in orbit. It is separated from the crewed reentry capsule before reentry. The orbital...

synchronous orbit is an orbit in which an orbiting body (usually a satellite) has a period equal to the average rotational period of the body being orbited (usually...

A semi-synchronous orbit is an orbit with a period equal to half the average rotational period of the body being orbited, and in the same direction as...

A Rosetta orbit is a complex type of orbit. In astronomy, a Rosetta orbit occurs when there is a periastron shift during each orbital cycle. A retrograde...

orbital node at which an orbiting object moves north through the plane of reference (in geocentric and heliocentric orbits) or at which the orbiting object...

Venus has an orbit with a semi-major axis of 0.723 au (108,200,000 km; 67,200,000 mi), and an eccentricity of 0.007. The low eccentricity and comparatively...

orbit or Near Earth orbit may refer to: Low Earth orbit, orbits around Earth that are near it Near-Earth space, space of the main geocentric orbits Near-Earth...

Jupiter and Saturn on cometary orbits. Having compiled a list of 24 comet observations, he calculated that the orbital elements of a second comet that...

A year is a unit of time based on how long it takes the Earth to orbit the Sun. In scientific use, the tropical year (approximately 365 solar days, 5...

A random orbital sander (also known as a palm sander) is a hand-held power tool which sands in a random-orbit action—that is, in constant irregular overlapping...

A parking orbit is a temporary orbit used during the launch of a spacecraft. A launch vehicle follows a trajectory to the parking orbit, then coasts for...

The Generation Orbit X-60 (GOLauncher 1 or GO1) was an air-launched single stage suborbital rocket vehicle produced by Generation Orbit. The first two...

subsynchronous orbit is an orbit of a satellite that is nearer the planet than it would be if it were in synchronous orbit, i.e. the orbital period is less...

following table is a list of Mars orbiters, consisting of space probes which were launched from Earth and are currently orbiting Mars. As of August 2023, there...

Orbit chairs are a type of recline chair designed by the Norwegian furniture designer Ingmar Relling [no] in 1976 for A/S Sykkylven kurvvarefabrikk in...

orbit, of the temporal fossa and the infratemporal fossa. It presents a malar and a temporal surface; four processes (the frontosphenoidal, orbital,...

A Fractional Orbital Bombardment System (FOBS) is a warhead delivery system that uses a low Earth orbit towards its target destination. Just before reaching...

the orbital septum (palpebral fascia) is a membranous sheet that acts as the anterior (frontal) boundary of the orbit. It extends from the orbital rims...

mechanics, orbital resonance occurs when orbiting bodies exert regular, periodic gravitational influence on each other, usually because their orbital periods...

Orbital are an English electronic music duo from Dunton Green, Kent, England, consisting of brothers Phil and Paul Hartnoll. The band's name is taken...

Mars orbit rendezvous (MOR) is a space travel concept where two spacecraft meet up and/or dock in Mars orbit. For example, one vehicle takes off from...

The notion of orbit of a control system used in mathematical control theory is a particular case of the notion of orbit in group theory. Let   q ˙ = f...

In spacecraft operations, Launch and Early Orbit Phase (LEOP) is one of the most critical phases of a mission. Spacecraft operations engineers take control...

mechanics a parabolic trajectory is a Kepler orbit with the eccentricity (e) equal to 1 and is an unbound orbit that is exactly on the border between elliptical...

In orbital mechanics, a libration point orbit (LPO) is a quasiperiodic orbit around a Lagrange point. Libration is a form of orbital motion exhibited...

Ceres is a dwarf planet in the main asteroid belt between the orbits of Mars and Jupiter. It was the first object identified in the asteroid belt, discovered...

Orbit Irrigation Products, Inc, located in Salt Lake City, UT, United States, is a manufacturer and supplier of irrigation products for residential and...

rocket carrying the Orion spacecraft. The mission will rendezvous in Earth orbit with vehicles such as SpaceX's Starship HLS and Blue Origin's Blue Moon...

TransOrbital is a California-based company which became the first private company granted permission by the U.S. government to explore, photograph, and...

Little Stevie Orbit is the third album by American singer-songwriter Steve Forbert. The New York Times called the album "a mainstream pop record, for...

human spaceflight in the United States' Apollo program and the second to orbit the Moon. NASA, the mission's operator, described it as a "dress rehearsal"...

that aims to reduce the cost of placing payloads into low Earth orbit. A heavy orbiting station is connected to a cable which extends down towards the...

In astrodynamics and celestial dynamics, the orbital state vectors (sometimes state vectors) of an orbit are Cartesian vectors of position ( r {\displaystyle...

and walked on the lunar surface, while Michael Collins remained in lunar orbit in the CSM Columbia, and all three landed safely on Earth on July 24, 1969...

the mean anomaly is the fraction of an elliptical orbit's period that has elapsed since the orbiting body passed periapsis, expressed as an angle which...

Orbital Express was a space mission managed by the United States Defense Advanced Research Projects Agency (DARPA) and a team led by engineers at NASA's...

The bare orbit sign is the appearance of the orbit on a frontal (anteroposterior) radiograph of the skull in which the innominate line is absent. The...

capable of carrying crew and cargo. Missions beyond low Earth orbit would require multiple in-orbit refueling flights. At the end of its mission, Starship reenters...

and took the place of the stage during launch. Operations included an orbital workshop, a solar observatory, Earth observation, ten spacewalks, and hundreds...

28 year-old Richard James Paris detonated 50 sticks of dynamite at the Orbit Inn Motel in Las Vegas, Nevada, killing himself, his 22-year-old wife Christine...

first artificial orbital satellite. In 1961, Soviet Vostok 1 cosmonaut Yuri Gagarin became the first person to enter space and orbit the Earth, and in...

Orbital velocity may refer to the following: The orbital angular velocity The orbital speed of a revolving body in a gravitational field. The velocity...

The areosynchronous orbits (ASO) are the synchronous orbits for artificial satellites around the planet Mars. They are the martian equivalent of the geosynchronous...

landers to the Moon, Venus, and Mars, and human spaceflight in low Earth orbit and ultimately to the Moon. Public interest in space travel originated in...

In celestial mechanics, a stationary orbit is an orbit around a planet or moon where the orbiting satellite or spacecraft remains over the same spot on...

In stellar dynamics, a box orbit refers to a particular type of orbit that can be seen in triaxial systems, i.e. systems that do not possess a symmetry...

The Orbit Awards were given by the National Space Society and the Space Tourism Society to pioneers in the private space travel industry, and presented...

near-equatorial orbit is an orbit that lies close to the equatorial plane of the primary body orbited. Such an orbit has an inclination near 0°. Such orbits lie near...

Orbit Beyond, Inc., usually stylized as ORBITBeyond, is an aerospace company that builds technologies for lunar exploration. Its products include configurable...

sphere extends along Earth's orbital path its orbital and co-orbital space. This space is co-populated by groups of co-orbital Near-Earth Objects (NEOs)...

An orbital pole is either point at the ends of the orbital normal, an imaginary line segment that runs through a focus of an orbit (of a revolving body...

is neither a planet nor an identified comet—that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan asteroids). Asteroids are rocky...

commercial success. In the space age, the Jetsons are a family residing in Orbit City. The city's architecture is rendered in the Googie style and all homes...

Administration (NASA), which accomplished routine transportation for Earth-to-orbit crew and cargo from 1981 to 2011. Its official program name was carried...

and less than 0.5 L☉. The pair orbit around a common centre with an orbital period of 79 years. Their elliptical orbit is eccentric, so that the distance...

Earth—that is, of one or more natural satellites with relatively stable orbits of Earth, other than the Moon—have existed for some time. Several candidates...

[ˈmʲir]; lit. 'peace' or 'world') was a space station operated in low Earth orbit from 1986 to 2001, first by the Soviet Union and later by the Russian Federation...

Lunar Gateway was a planned space station that would have been assembled in orbit around the Moon as part of the Artemis program. Derived from earlier concepts...

Earth-sized planets in the Milky Way, rising to 40 billion if planets orbiting the numerous red dwarfs are included. The least massive exoplanet known...

The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter...

spacecraft missions (including unsuccessful ones) to the planet Mars, such as orbiters, landers, and rovers. Mission time is often measured in Mars sols, solar...

Orbiting Vehicle or OV, originally designated SATAR (SATellite - Atmospheric Research), comprised five different series of standardized American satellites...

in space warfare. They include weapons that can attack space systems in orbit (for example, anti-satellite weapons), attack targets on the earth from...

The Jagged Orbit is a science fiction novel by British writer John Brunner. It is similar to his earlier novel Stand on Zanzibar in its narrative style...

or a kinetic orbital strike is the hypothetical act of attacking a planetary surface with an inert kinetic projectile from orbit (orbital bombardment)...

influence, and the first human spaceflight to reach the Moon. The crew orbited the Moon ten times without landing and then returned to Earth. The three...

surface, followed later that year by Luna 10, the first spacecraft to enter orbit around the Moon. In 1968, the Zond 5 mission became the first to carry terrestrial...

aerodynamics and technologies, which contribute to high operating costs. An orbital launch vehicle must lift its payload at least to the boundary of space...

parking orbit around Earth. The large TLI burn, usually performed by a chemical rocket engine, increases the spacecraft's velocity, changing its orbit from...

orbital plane of a revolving body is the geometric plane in which its orbit lies. Three non-collinear points in space suffice to determine an orbital...

In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new hybrid orbitals (with different energies,...

of its orbit relative to a reference plane, the direction of the apogee or aphelion of its orbit, or the size of the major axis of its orbit. The main...

The Transfer Orbit Stage (TOS) was an upper stage developed by Martin Marietta for Orbital Sciences Corporation during the late 1980s and early 1990s...

extraterrestrial orbiters is a listing of spacecraft that achieved an extraterrestrial orbit. The first artificial object to orbit the sun is the Luna...

to reach orbital velocity around the Earth and to complete a full orbit around the Earth. The orbital spaceflight consisted of a single orbit around the...

In mathematics, an orbital integral is an integral transform that generalizes the spherical mean operator to homogeneous spaces. Instead of integrating...

Harrison Schmitt walked on the Moon, while Command Module Pilot Ronald Evans orbited above. Schmitt was the only professional geologist to land on the Moon;...

Operation Sea Orbit was the 1964 circumnavigation of Task Force One of the United States Navy, consisting of the aircraft carrier USS Enterprise (CVAN-65)...

This is a list of satellites in geosynchronous orbit (GSO). These satellites are commonly used for communication purposes, such as radio and television...

The Orbit Jet was a fictional spaceship in the 1954 TV series Rocky Jones, Space Ranger. It strongly resembled a V-2 rocket in overall form, with a very...

The One More Orbit is a mission aimed at breaking the world record for the fastest circumnavigation of the Earth via both poles, involving a joint effort...

to transfer a heavier communication satellite from low Earth orbit to geosynchronous orbit than for a lighter one, the delta-v required is the same. Delta-v...

Morning Orbit is the second solo album by Canadian musician David Usher. Released on July 31, 2001, it was certified Platinum by the CRIA in April 2002...

The Mars Reconnaissance Orbiter (MRO) is a spacecraft designed to search for the existence of water on Mars and provide support for missions to Mars,...

argument of pericenter), symbolized as ω (omega), is one of the orbital elements of an orbiting body. Parametrically, ω is the angle from the body's ascending...

gravitational slingshot in orbital mechanics, is a type of spaceflight flyby which makes use of the relative movement (e.g. orbit around the Sun) and gravity...

In Orbit is the second studio album by Swedish singer-songwriter Petra Marklund, performing as September. It was released on 26 October 2005 by Catchy...

The helical orbit spectrometer (HELIOS) is a measurement device for studying nuclear reactions in inverse kinematics. It is installed at the ATLAS facility...

An orbital blowout fracture is a traumatic deformity of the orbital floor or medial wall that typically results from the impact of a blunt object larger...

The Space Shuttle orbiter was the spaceplane component of the Space Shuttle, a partially reusable orbital spacecraft system that was part of the discontinued...

An orbital ring is a concept of an artificial ring placed around a body and set rotating at such a rate that the apparent centrifugal force is large enough...

Saturn has 292 moons with confirmed orbits as of 9 April 2026, the most of any planet in the Solar System. Saturn's moons are diverse in size, ranging...

A Closed and Common Orbit is a 2016 science fiction novel by Becky Chambers, published by Hodder and Stoughton. It is a sequel to her 2014 novel The Long...

Volkswagen Orbit is a concept car by styling house Italdesign shown at the 1986 Turin Motor Show. It shouldn't be confused with another Volkswagen Orbit concept...

inclination orbits are rarely placed in retrograde orbit. This is partly due to the extra velocity (and propellant) required to launch into orbit against...

The orbital fascia forms the periosteum of the orbit. It is loosely connected to the bones and can be readily separated from them. Behind, it is united...

a type of spacecraft used to transfer spaceborne cargo from one orbit to another orbit with different energy characteristics. The term can include expendable...

High Orbit Ion Cannon (HOIC) is an open-source network stress testing and denial-of-service attack application designed to attack as many as 256 URLs...

was considerable speculation that another planet might exist beyond its orbit. The search began in the mid-19th century and continued at the start of...

eccentricity of the orbit. In astronomy, the semi-major axis is one of the most important orbital elements of an orbit, along with its orbital period. For Solar...

An orbital vehicle is a spacecraft which attains orbit. Orbit Vehicle, Orbital Vehicle, Orbiter Vehicle, or Orbiting Vehicle may also refer to: A vehicle...

1957, was the second spacecraft launched into Earth orbit, and the first to carry an animal into orbit, a Soviet space dog named Laika. Launched by the Soviet...

such as launching from or landing on a planet or moon, or an in-space orbital maneuver. It is a scalar that has the units of speed. As used in this context...

Lunar Orbiter 5, the last of the "Lunar Orbiter series", was designed to take additional Apollo and Surveyor landing site photography and to take broad...

A space station (or orbital station) is a spacecraft which remains in orbit and hosts humans for extended periods of time. It is therefore an artificial...

revolution (or orbit), as in a planetary orbit, e.g., Earth's orbit around the Sun. The ends of the external axis of revolution can be called the orbital poles...

Earth's orbit, although some hypotheses debatably suggested it may have formed in the outer Solar System and later migrated into the Earth's orbit, and might...

Orbital forcing is the effect on climate of slow changes in the tilt of the Earth's axis and shape of the Earth's orbit around the Sun (see Milankovitch...

rocket that can lift a payload of 50 metric tons (110,000 lb) to low Earth orbit according to the United States, and more than 100 metric tons (220,000 lb)...

to reach space. Some lists are further divided into orbital launches (sending a payload into orbit, whether successful or not) and suborbital flights (e...

intended to put the payload into orbit, and Energia-Buran, in which the Buran orbiter was the payload and the source of the orbit insertion impulse. The launch...

Orbit Science Fiction was an American science fiction magazine anthology published in 1953 and 1954 by the Hanro Corporation. Only 5 issues were published...

Makemake (minor-planet number 136472) is a dwarf planet orbiting the Sun beyond Neptune. It has a diameter 60% that of Pluto, making it the fourth largest...

The Escape Orbit (British title: Open Prison) is a science fiction novel by northern Irish author James White. It was first published in serial form in...

Return from Orbit (Russian: Возвращение с орбиты, romanized: Vozvraschenie s orbiti) is a Soviet 1984 science fiction film directed by Aleksandr Surin...

In mathematics, the orbit capacity of a subset of a topological dynamical system may be thought of heuristically as a “topological dynamical probability...

Orbital Service Station, is a proposed Russian orbital space station scheduled to begin construction in 2028. Initially an evolution of the Orbital Piloted...

Stitt in Orbit is an album by saxophonist Sonny Stitt recorded in 1960 and 1962 and originally released on the Roost label. The Allmusic site awarded...

the values visited or approached asymptotically (fixed points, periodic orbits, or chaotic attractors) of a system as a function of a bifurcation parameter...

Saturn V was the first launch vehicle to carry humans beyond low Earth orbit (LEO), with the only other to do so being the Space Launch System (SLS)...

Magneto-electric spin-orbit (MESO) is a technology designed for constructing scalable integrated circuits, that works with a different operating principle...

NASA's Neil Gehrels Swift Observatory is planned to be boosted to a higher orbit by a private Arizona-based firm, Katalyst Space Technologies. Katalyst Space...

The superior orbital fissure is a foramen or cleft of the skull between the lesser and greater wings of the sphenoid bone. It gives passage to multiple...

In orbital mechanics, mean motion (represented by n) is the angular speed required for a body to complete one orbit, assuming constant speed in a circular...

inferior or interior with respect to another planet if its orbit lies inside the other planet's orbit around the Sun. In this situation, the latter planet is...

Unlike the planets, these trans-Neptunian objects mostly move on eccentric orbits, inclined to the plane of the planets. The positions of the planets might...

Winter's Orbit is a 2021 LGBT space opera novel, the debut novel by Everina Maxwell. After Prince Taam of Iskat dies mysteriously, his cousin Kiem is...

Mercury-Atlas 6 (MA-6) was the first crewed American orbital spaceflight, which took place on February 20, 1962. Piloted by astronaut John Glenn and operated...

one 3s orbital, three 3p orbitals, and five 3d orbitals, and thus has a capacity of 2×1 + 2×3 + 2×5 = 18. The fourth shell contains one 4s orbital, three...

The Mars Climate Orbiter (formerly the Mars Surveyor '98 Orbiter) was a robotic space probe launched by NASA on December 11, 1998, to study the Martian...

The Solar Polar Orbit Observatory (SPO) is a planned space probe aimed at studying the Sun at various latitudes. It will be operated by the China National...

(/ˈrɒndeɪvuː/) is a set of orbital maneuvers during which two spacecraft, one of which is often a space station, arrive at the same orbit and approach to a very...

overall. The mission conducted the first U.S. docking of two spacecraft in orbit, but also suffered the first critical in-space system failure of a U.S....

Minimum orbit intersection distance (MOID) is a measure used in astronomy to assess potential close approaches and collision risks between astronomical...

Proto-Earth collided with a Mars-sized co-orbital protoplanet likely from the L4 or L5 Lagrange points of the Earth's orbit approximately 4.5 billion years ago...

astrodynamics or celestial mechanics, a hyperbolic trajectory or hyperbolic orbit (from Newtonian theory: hyperbola shape) is the trajectory of any object...

main orbital elements of an orbit. Apsidal precession is considered positive when the orbit's axis rotates in the same direction as the orbital motion...

that its orbit is retrograde to Neptune's rotation and inclined relative to Neptune's equator, which suggests that it did not form in orbit around Neptune...

Project Orbiter was a proposed United States spacecraft, an early competitor to Project Vanguard. It was jointly run by the United States Army and United...

satellites launched together: the Mercury Planetary Orbiter (MPO) and Mio (Mercury Magnetospheric Orbiter, MMO). The mission will perform a comprehensive...

orbit. The mission depends on a prior support flight to place a lunar lander—either SpaceX's Starship HLS or Blue Origin's Blue Moon—into lunar orbit...

Orbit, the International Journal on Orbital Disorders, Oculoplastic and Lacrimal Surgery is a bimonthly peer-reviewed medical journal covering orbital...

Orbital emphysema (/ˈɔː(r)bɪt(ə)l ˌemfɪˈsiːmə/, also known as pneumo-orbit) is a medical condition that refers to the trapping of air within the loose...

Mutants in Orbit is an adventure and sourcebook for the After the Bomb and Rifts role-playing games, authored by James Wallis and Kevin Siembieda. It...

right ascension of the ascending node, is one of the orbital elements used to specify the orbit of an object in space. Denoted with the symbol Ω, it is...

stable circular orbit (often called the ISCO) is the smallest marginally stable circular orbit in which a test particle can stably orbit a massive object...

(minor-planet number 136108) is a dwarf planet located beyond Neptune's orbit. It was discovered in 2004 by a team headed by Mike Brown of Caltech at...

The Orbit is a car from the fictional Associated British Motors company and featured in a short-lived British Television programme On The Line from Central...

37,000+ known NEOs, divided into several orbital subgroups Apollos: 21,132 (56.5%) Amors: 13,137 (35.1%) Atens: 2,952 (7.90%) Comets: 123 (0.33%) Atiras:...

The On-Orbit Mission Control will be conducted by the Surrey Satellite Technology Ltd ground site in Guildford, UK. The United States Air Force Academy...

a spacecraft to burn its fuel is at the lowest possible orbital periapsis, when its orbital velocity (and so, its kinetic energy) is greatest. In some...

New Orbit is an album by American jazz pianist Matthew Shipp recorded in 2000 and released on Thirsty Ear's Blue Series. Shipp leads a quartet with trumpeter...

The maxilla consists of: The body of the maxilla: pyramid-shaped; has an orbital, a nasal, an infratemporal, and a facial surface; contains the maxillary...

38P/Stephan–Oterma (also known as Comet Stephan–Oterma) is a periodic comet with an orbital period of 38 years. It fits the classical definition of a Halley-type comet...

Blues in Orbit is an album by American pianist, composer and bandleader Duke Ellington, recorded for the Columbia label in 1959 and released in 1960....

LauncherOne was a two-stage orbital launch vehicle developed and flown by Virgin Orbit that had operational flights from 2021 to 2023, after being in development...

military applications. Some communications satellites are in geostationary orbit 22,236 miles (35,785 km) above the equator, so that the satellite appears...

capability to launch small space satellites into low Earth orbit using an air-launch-to-orbit type system. The airfield was opened in 1933 as a civilian...

aerospace engineering, the bi-elliptic transfer is an orbital maneuver that moves a spacecraft from one orbit to another and may, in certain situations, require...

In orbital mechanics (a subfield of celestial mechanics), Gauss's method is used for preliminary orbit determination from at least three observations...

are seated for launch and reentry. The orbital module provides additional living space and storage during orbit but is jettisoned before reentry. The service...

with an orbital inclination between zero and ninety degrees is said to be in what is called a direct or prograde orbit, meaning that it orbits in the same...

three approximately circular orbits, but this was modified to six orbital planes with four satellites each. The six orbit planes have approximately 55°...

The Orbital Maneuvering Vehicle (OMV) was a project developed by NASA in the 1980s, aiming to create a reusable, remotely controlled, free-flying vehicle...

Lunar-Orbit Rendezvous is a Canadian short film, directed by Mélanie Charbonneau and released in 2018. The film stars Frédéric Lemay and Noémie O'Farrell...

components for their electronics and structure. CubeSats are deployed into orbit from the International Space Station, or launched as secondary payloads...

DarkOrbit, later renamed to DarkOrbit: Reloaded is a massively multiplayer online game developed by Bigpoint Games. The game is set in outer space, where...

particularly for specific locations such as the limited space of geostationary orbit or the Moon. To date, no permanent space settlement other than temporary...

The Orbiting Astronomical Observatory (OAO) satellites were a series of four American space observatories launched by NASA between 1966 and 1972, managed...

known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. One galactic year is approximately...

of Ceres from the Sun, although its orbit lies entirely within that of Ceres. NASA's Dawn spacecraft entered orbit around Vesta on 16 July 2011 for a one-year...

Orbital apex syndrome is a collection of cranial nerve deficits associated with a mass lesion near the apex of the orbit of the eye. This syndrome is a...

spent 126 hours and 64 revolutions in lunar orbit. After Young and Duke rejoined Mattingly in lunar orbit, the crew released a subsatellite from the service...

Orbit (foaled 1885) was a Thoroughbred racehorse. He was trained at Kingsclere by John Porter for the 1st Duke of Westminster. As a three-year-old he...

System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly...

Orbit Publications, also known as Orbit-Wanted, was an American comic book publishing house operated by the female publisher, editor, and cartoonist Ray...

Orbit Unlimited is a science fiction novel by American writer Poul Anderson, first published in 1961. Essentially a linked group of short stories, it...

In anatomical terms, it is located below the infraorbital margin of the orbit. It transmits the infraorbital artery and vein, and the infraorbital nerve...

its own gravity and hosts a thin, hazy atmosphere. Triton orbits Neptune in a retrograde orbit—revolving in the opposite direction to the parent planet's...

Flamingoes in Orbit is a collection of short stories by Philip Ridley. It was first published in the United Kingdom by Hamish Hamilton ltd in 1990. It...

landing. The orbiting propulsion module remained operational and was repurposed for scientific observations of Earth; it was shifted from lunar orbit to a high...

reported as among the largest commercial communications arrays in low Earth orbit after their respective launches and unfoldings in 2022 and 2024. The company's...

The Orbit fixed-route bus system began in 1990 in response to the growing population and congestion of the city of Huntsville, Alabama. The system is...

decommissioned and two satellites, IRNSS-1H and NVS-02, failed to reach desired orbit. ISRO is planning to launch NVS-03, NVS-04 and NVS-05 by September 2027...

orbitals (also known as Gaussian type orbitals, GTOs or Gaussians) are functions used as atomic orbitals in the linear combination of atomic orbitals...

The Orbit Attitude and Maneuvering System (OAMS) was a reaction control system used in Earth orbit by the Project Gemini spacecraft. It provided both automatic...

activity while Command Module Pilot Richard F. Gordon remained in lunar orbit. Apollo 12 would have attempted the first lunar landing had Apollo 11 failed...

circular orbit, thus forming a photon circle and hence in aggregation a photon sphere. The circular photon orbit is said to be the last photon orbit. The...

buildings may obscure the view to some satellites. Owing to its higher orbital inclination, GLONASS supplementation of GPS systems also improves positioning...

Orbit: Earth's Extraordinary Journey is a BBC documentary series presented by Kate Humble and Helen Czerski which aired in 2012. Running for three 60...

kōngjiānzhàn), is China's first permanently crewed space station, in low Earth orbit since 2021. Operated by the China Manned Space Agency (CMSA), it is China's...

(kéntron) 'center') is the center of mass around which two or more bodies orbit. A barycenter is a dynamical point, not a physical object. It is an important...

through the inferior orbital fissure to enter the orbit, then passes forward along the floor of the orbit, finally exiting the orbit through the infraorbital...

Operations and Navigation Experiment) is a lunar orbiter that is testing and verifying the calculated orbital stability planned for the now canceled Lunar...

The rocket is named for NASA astronaut John Glenn, the first American to orbit Earth. The inaugural vehicle was unveiled on the launch pad in February...

Jaws in Orbit is an album by saxophonist Eddie "Lockjaw" Davis with organist Shirley Scott, recorded in 1959 for the Prestige label. The AllMusic review...

reversing course due to capturing Saturn in an orbital resonance, eventually halting near its current orbit at 5.2 AU. The reversal of Jupiter's planetary...

dissipation or tidal damping) occurs through the tidal friction processes: orbital and rotational energy is dissipated as heat in either (or both) the surface...

CLEO, the Cisco router in Low Earth Orbit, is an Internet router from Cisco Systems that was integrated into the UK-DMC Disaster Monitoring Constellation...

prominent architects, including physicist Lowell Wood, were early L5 members. Orbital power generation and directed-energy transmission continue to receive funding...

spacecraft such as satellites in orbit around Earth, but also includes space probes for flights beyond Earth orbit. Such spaceflights operate either...

radio contact with each other, but they had no ability to adjust their orbits in order to rendezvous and came no closer than several kilometers of each...

Boss Tenors in Orbit! is a 1962 studio album by American jazz tenor saxophonists Sonny Stitt and Gene Ammons. The Allmusic review by Michael G. Nastos...

pterygopalatine fossa. It passes through the inferior orbital fissure to enter the orbit. It travels through the orbit, then enters and traverses the infraorbital...

The following is a list of planet types by their mass, radius, orbit, physical and chemical composition, or by another classification. Hypothetical astronomical...

U.S. Army and U.S. Navy proposal, called Project Orbiter, to put a scientific satellite into orbit during the International Geophysical Year. The proposal...

to any of several slow changes in an astronomical body's rotational or orbital parameters. An important example is the steady change in the orientation...

launch vehicle with partial reusability that can carry cargo into Earth orbit and beyond. It is designed, manufactured and launched by American aerospace...

a maneuver used in launching a spacecraft into, or descending from, an orbit around a celestial body such as a planet or a moon. It is a trajectory optimization...

continuously observed until September 2011. The orbit of a long-period comet is properly obtained when the osculating orbit is computed at an epoch after leaving...

orbits. For a chaotic system to have dense periodic orbits means that every point in the space is approached arbitrarily closely by periodic orbits....

corona. It used repeated gravity assists from Venus to develop an eccentric orbit, approaching within 9.86 solar radii (6.9 million km or 4.3 million miles)...

high point of an elliptical orbit (apoapsis) by flying the vehicle through the atmosphere at the low point of the orbit (periapsis). The resulting drag...

Dancing in Orbit is a compilation of Swedish singer September's second and third albums, In Orbit and Dancing Shoes, respectively, released on 8 May 2008...

Orbit is an American, Boston, Massachusetts-based rock band. Formed in 1994, the band went on hiatus in late 2001. Their initial releases were on drummer...

Sun that the orbit could take it if the Sun and object were the only objects in the universe. It is implied that the object is orbiting the Sun in a two-body...

propulsion with Deep Space 1. Later milestones include Dawn's ion-propelled orbits of Vesta and Ceres, BepiColombo's high-performance gridded ion thruster...

system of any planet in the Solar System. The rings consist of particles in orbit around the planet, ranging from micrometers to meters in size, and are made...

Descent is the fourth studio album by Swedish melodic death metal band Orbit Culture. It was released on 18 August 2023, via Seek & Strike Records in...

vehicle reaches space. The launch may be sub-orbital or the launch may continue until the vehicle reaches orbit. A space launch begins at a launch pad, which...

nasal wall of the orbit. The muscle becomes tendinous about 10mm before it passes through the pulley, turning sharply across the orbit, and inserts on the...

comparison of orbital launch systems lists the attributes of all current and future individual rocket configurations designed to reach orbit. A first list...

world's first operation of a nuclear reactor in orbit, and the first operation of an ion thruster system in orbit. It is the only fission reactor power system...

The 1966 Lunar Orbiter 1 robotic spacecraft mission, part of NASA's Lunar Orbiter program, was the first American spacecraft to orbit the Moon. It was...

Orbital stability may refer to: The stability of orbits of planetary bodies Resonance between said orbits The closure of the orbit of a reductive group...

three-line element set (3LE) is a data format encoding a list of orbital elements of an Earth-orbiting object for a given point in time, the epoch. Using a suitable...

Generation Orbit Launch Services (GO) is an American aerospace company based in Atlanta, Georgia that is developing the technology for launch services...

100 kilometers (62 mi; 54 nmi)). Astronauts James McDivitt and Ed White orbited the Earth 66 times in four days, making it the first US flight to approach...

The Three Stooges In Orbit is a 1962 American comedy science fiction film directed by Edward Bernds. It is the fourth feature film to star the Three Stooges...

Orbit One Zero is a BBC Radio science fiction programme written by Peter Elliott Hayes, and starring Felix Felton. A single series consisting of six episodes...

Earth orbit for master sergeants, medium Earth orbit for senior master sergeants, and geosynchronous orbit for chief master sergeants. These orbital chevrons...

The inferior orbital fissure is a gap between the greater wing of sphenoid bone, and the maxilla. It connects the orbit (anteriorly) with the infratemporal...

apparent path of the Sun on the celestial sphere, resulting from Earth's orbit around the Sun. It was a central concept in a number of ancient sciences...

complete technical success, giving NASA the confidence to send Apollo 8 into orbit around the Moon two months later. In part because of these tensions, none...

massive objects to orbit Jupiter, with the remaining 111 known moons and the rings together comprising just 0.003% of the total orbiting mass. Of Jupiter's...

list of artificial objects currently[update] in heliocentric orbit, but not intended to orbit or land on any planetary or satellite body. This list does...

is the minimum speed needed for an object to escape from contact with or orbit of a primary body, assuming: Ballistic trajectory – no other forces are...

Starship spacecraft that is slated to transfer astronauts from a lunar orbit to the surface of the Moon and back. It is being designed and built by SpaceX...

"clearing the neighbourhood" (or dynamical dominance) around a celestial body's orbit describes the body becoming gravitationally dominant such that there are...

coadjoint orbits. In the Kirillov method of orbits, representations of G {\displaystyle G} are constructed geometrically starting from the coadjoint orbits. In...

The mission, designated STS-107, was the twenty-eighth flight for the orbiter and the 113th flight of the Space Shuttle fleet. It was dedicated to research...

observatory detecting photons with energies from 20 keV to 30 GeV, in Earth orbit from 1991 to 2000. The observatory featured four main telescopes in one...

planet is a planet that orbits two stars instead of one. The two stars orbit each other in a binary system, while the planet orbits farther from the center...

passages will be closer to the Sun. The comet is observable all through its orbit. F. Hormuth; J. Ticha; M. Tichy; P. Kusnirak; et al. (29 March 2004). D...

Concerning the size and shape of an orbit Nautical almanac – Publication on celestial body positions Osculating orbit – Orbital perturbations Ptolemy's table...

asteroid in orbit around the Sun in 1:1 orbital resonance with Earth, making it a co-orbital object. It is an asteroid that, relative to Earth, orbits the Sun...

Transportation System-1) was the first orbital spaceflight of NASA's Space Shuttle program. The first orbiter, Columbia, launched on April 12, 1981, and...

The supraorbital foramen, is a bony elongated opening located above the orbit (eye socket) and under the forehead. It is part of the frontal bone of the...

It was used to deliver payloads into geostationary transfer orbit (GTO), low Earth orbit (LEO) or further into space. The launch vehicle had a streak...

orbits (GEO), 10 in 55° inclined geosynchronous orbits (IGSO) and 27 in Medium Earth orbits (MEO). Furthermore, 8 satellites (4 in Medium Earth orbit...

modules. Those would be emplaced in low Earth orbit, polar Earth orbit, geosationary orbit, and lunar orbit. The Mars-focused aspects of the plan were supposed...

the treatment into a short story. If magazine retitled it "At the End of Orbit" for publication but Clarke preferred his original title because it has...

Borman and Jim Lovell spent nearly 14 days in space, making a total of 206 orbits. Their spacecraft was the passive target for the first crewed space rendezvous...

Orbit Express Airlines, shortly Orex Airlines, was a cargo airline based in Istanbul, Turkey. It was established in 2003, and operated scheduled and charter...

Reflect Orbital, Inc is an American privately held space technology company headquartered in Hawthorne, California. Founded in 2021, the company designs...

are dominant. The Earth's orbit varies between nearly circular and mildly elliptical (its eccentricity varies). When the orbit is more elongated, there...

Orbit (Japanese: オルビット; Korean: 오르빗), commonly stylized as ORβIT, is a Japanese-South Korean boy group formed by seven members who participated in the...

Earth orbit (MEO) satellites spread between several orbital planes. The actual systems vary, but all use orbital inclinations of >50° and orbital periods...

other Indian Space Research Institutes. It is orbiting at about 1.5 million km from Earth in a halo orbit around the Lagrange point 1 (L1) between the...

least 0.3. 2016 AZ8 orbits the Sun at a distance of 0.85–1.8 AU once every 18 months (554 days; semi-major axis of 1.32 AU). Its orbit has an eccentricity...

orbit and spin of a single particle can interact through spin–orbit interaction, in which case the complete physical picture must include spin–orbit coupling...

The orbital lamina of ethmoid bone (or lamina papyracea or orbital lamina) is a smooth, oblong,[citation needed] paper-thin bone plate[citation needed]...

used to calculate and predict the motion of two massive bodies that are orbiting each other in space. The problem assumes that the two bodies are perfect...

billion times as bright as the reflected light from any of the planets orbiting it. In addition to the intrinsic difficulty of detecting such a faint light...

launch into space where much of the speed and altitude needed to achieve orbit is provided by a propulsion technique that is not subject to the limits...

time determination of the status vector and orbital parameters dispensing with the need of ground station orbit determination. Real time relative navigation...

method for a spacecraft to achieve an orbit around a distant planet or moon with no fuel required to go into orbit. In the ideal case, the transfer is ballistic...

compensating for the elliptical orbit of the Moon, moving faster at perigee and slower at apogee than circular orbits would, using four gears, two of...

natural satellite is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another...

which include nutation. The fundamental plane is the plane of the Earth's orbit, called the ecliptic plane. There are two principal variants of the ecliptic...

N1/L3 spacecraft's Block D lunar orbit insertion/descent stage by simulating the lunar orbit insertion burn, the lunar orbit circularization burn and the...

final landing in 1972, the only time humans have traveled beyond low Earth orbit has been the Artemis II lunar flyby in 2026. The US Artemis program aims...

The year 1967 in spaceflight saw the most orbital launches of the 20th century and more than any other year until 2021, including that of the first Australian...

'asterism, star'), also called a sidereal orbital period, is the time that Earth or another planetary body takes to orbit the Sun once with respect to the fixed...

asteroid orbiting near the L4 point of Mars (60 degrees ahead Mars on its orbit). As of April 2024, it is one of only two known asteroids to orbit the leading...

Culture's citizens do not live on planets but in artificial habitats such as orbitals and ships, the largest of which are home to billions of individuals. The...

of co-orbital configuration (1:1 orbital resonance) with a planet (or dwarf planet) where the object stays close to that planet over many orbital periods...

cooperation and got its first satellite Aryabhata in orbit through a Soviet rocket. Efforts to develop an orbital launch vehicle began after mastering sounding...

cluster close to the supermassive black hole Sagittarius A* (Sgr A*), orbiting it with a period of 16.0518 years, a semi-major axis of about 970 au, and...

place in February 2024. In addition to launching satellites into Earth orbit, the H3 is used to launch the HTV-X cargo spacecraft to the International...

mechanics, the Kozai mechanism is a dynamical phenomenon affecting the orbit of a binary system perturbed by a distant third body under certain conditions...

stated that, in the Solar System, a planet is a celestial body that: is in orbit around the Sun, has sufficient mass to assume hydrostatic equilibrium (a...

to detect about 1,250 transiting exoplanets orbiting the targeted stars, and an additional 13,000 orbiting stars not targeted but observed. After the end...

this remaining precession, or change of orientation of the orbital ellipse within its orbital plane, is explained by gravitation being mediated by the curvature...

hypothetical red dwarf or brown dwarf, originally postulated in 1984 to be orbiting the Sun at a distance of about 95,000 AU (1.5 light-years), somewhat beyond...

Three missions to Mars were launched in 2020, including two rovers, two orbiters, and a lander. NASA has launched the Mars 2020 mission, which includes...

molecular orbitals described at absolute zero. The acronyms stand for highest occupied molecular orbital and lowest unoccupied molecular orbital, respectively...

planet hypothesized to exist inside the orbit of Mercury between 1859 and 1915 to explain anomalies in Mercury's orbit until Einstein's theory of general relativity...

The Solar Orbiter (SolO) is a Sun-observing probe developed by the European Space Agency (ESA) with a NASA contribution. Solar Orbiter, designed to obtain...

inferior or orbital surface of the frontal lobe is concave, and rests on the orbital plate of the frontal bone. It is divided into four orbital gyri by a...

of a body in an orbit is given by L = 2 π M f r 2 {\displaystyle L=2\pi Mfr^{2}} where M {\displaystyle M} is the mass of the orbiting object, f {\displaystyle...

Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was...

sequence is called an orbit, and the orbit changes depending on the value given to the parameter. When the parameter is changed, the orbit of the logistic map...

Landmarks of this era include the launch of the first human-made object to orbit Earth, the Soviet Union's Sputnik 1, on 4 October 1957, and the first Moon...

celestial body (mostly asteroids) that shares the orbit of a larger body, remaining in a stable orbit approximately 60° ahead of or behind the main body...

the position of the satellite in order to obtain its orbital elements. The first "satisfactory orbit" calculated by the IBM 704 as official tracker for...

Firefly Alpha (Firefly α) is a two-stage orbital expendable small lift launch vehicle developed by the American company Firefly Aerospace to compete in...

French Guiana. In January 2022, it arrived at its destination, a solar orbit near the Sun–Earth L2 Lagrange point, about 1.5 million kilometers (930...

launched multiple dogs into space, with the first sub-orbital flights in 1951, and first orbital flights in 1957. Two tortoises and several varieties of...

the final impulse to change the trajectory from the transfer orbit into its final orbit (most commonly circular). For a satellite launched from the Earth...

satellite (1958), first U.S. astronaut (1961), first U.S. astronaut in orbit (1962), first two-man U.S. spacecraft (1965), first U.S. uncrewed lunar...

calculations of the Moon orbit time was within 16% of the known value. By 1680, new values for the diameter of the Earth improved his orbit time to within 1.6%...

also known as DOS-1 (Durable Orbital Station 1), was the world's first space station. It was launched into low Earth orbit by the Soviet Union on April...

Orbital Sciences Corporation (commonly referred to as Orbital) was an American company specializing in the design, manufacture, and launch of small- and...

In astrodynamics and celestial mechanics a radial trajectory is a Kepler orbit with zero angular momentum. Two objects in a radial trajectory move directly...

missions would have a "lunar orbit rendezvous" mode whereby the complete Apollo spacecraft would be propelled towards lunar orbit by the third stage of the...

board propellants and other consumables in satellites in orbit, e.g. in geostationary orbit around Earth. This could be for storable propellants, and...

mission such as Chandrayaan-4, Lunar Polar Exploration Mission, Venus Orbiter Mission and Mars Lander Mission. There are also various Indian satellite...

of 154,202 AU (2.43832 ly). But the orbit of a long-period comet is properly obtained when the osculating orbit is computed at an epoch after leaving...

shower separated from Halley's Comet hundreds of years ago. The current orbit of Halley's Comet does not pass close enough to the Earth to be a source...

were conducted by Mariner 9, Viking 1, and two orbiters, which supported the Viking landers. Later orbiters, such as Mars Global Surveyor, 2001 Mars Odyssey...

The Pioneer Venus Orbiter, also known as Pioneer Venus 1 or Pioneer 12, was a mission to Venus conducted by NASA as part of the Pioneer Venus project...

in a 2:3 orbital resonance with Neptune, which means that they orbit the Sun exactly twice while Neptune orbits the Sun three times. It orbits the Sun...

Soviet shuttle designs. Although the Buran orbiter was similar in appearance to NASA's Space Shuttle orbiter, and could similarly operate as a re-entry...

UK satellite. In 1964, it was decided Skynet should be in geostationary orbit over the Indian Ocean, significantly to support East of Suez deployments...

periorbita is the area around the orbit. Sometimes it refers specifically to the layer of tissue surrounding the orbit that consists of periosteum. However...

In orbital mechanics, a free-return trajectory is a trajectory of a spacecraft traveling away from a primary body (for example, the Earth) where gravity...

The Mars Orbiter Camera and Mars Observer Camera (MOC) were scientific instruments on board the Mars Observer and Mars Global Surveyor spacecraft. The...

potential, a spin-orbit term is added. Even so, the total perturbation does not coincide with the experiment, and an empirical spin-orbit coupling must be...

into low Earth orbit. Deployment is planned in five phases, with service expected to begin after the first 578 satellites reach orbit. Under the terms...

Project LOLA, or Lunar Orbit and Landing Approach, was a simulator built at the NASA's Langley Research Center to study landing on the lunar surface....

Soyuz spacecraft developed by the former Soviet Union to support low Earth orbit and lunar operations. It is similar in function to the US Orion or Commercial...

It orbits 6,000 km (3,700 mi) from the Martian surface, closer to its primary body than any other known natural satellite to a planet. It orbits Mars...