Kosmos 101

Kosmos 101

Mission type	ABM radar target
COSPAR ID	1965-107A
SATCAT no.	01846
Mission duration	203 days
Spacecraft properties
Spacecraft type	DS-P1-Yu
Manufacturer	Yuzhnoye
Launch mass	325 kg[1]
Start of mission
Launch date	21 December 1965 06:14:00 GMT
Rocket	Kosmos-2I 63S1
Launch site	Kapustin Yar, Site 86/1
Contractor	Yuzhnoye
End of mission
Decay date	12 July 1966
Orbital parameters
Reference system	Geocentric[2]
Regime	Low Earth
Perigee altitude	254 km
Apogee altitude	539 km
Inclination	49.0°
Period	92.4 minutes
Epoch	21 December 1965

Kosmos 101 (Russian: Космос 101 meaning Cosmos 101), also known as DS-P1-Yu No.4 was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles.^[3] It was built by the Yuzhnoye Design Bureau, and launched in 1965 as part of the Dnepropetrovsk Sputnik programme.^[4]

The launch of Kosmos 101 was conducted using a Kosmos-2I 63S1 carrier rocket,^[5] which flew from Site 86/1 at Kapustin Yar. The launch occurred at 06:14 GMT on 21 December 1965.^[6]

Kosmos 101 separated from its carrier rocket into a low Earth orbit with a perigee of 254 kilometres (158 mi), an apogee of 539 kilometres (335 mi), an inclination of 49.0°, and an orbital period of 92.4 minutes. It decayed from orbit on 12 July 1966.^[7] Kosmos 101 was the fourth of seventy nine DS-P1-Yu satellites to be launched,^[4] of which all but seven were successful.

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