EOS-09

EOS-09
EOS-9 during Integration
NamesRadar Imaging Satellite-1B
Mission typeImaging radar
OperatorISRO
WebsiteISRO PSLV-C61 / EOS-09 Mission
Mission duration5 years (planned)
Failed to orbit
Spacecraft properties
SpacecraftEOS-09
ManufacturerISRO
Start of mission
Launch date18 May 2025, 05:59 IST
RocketPSLV-C61
Launch siteSatish Dhawan Space Centre, First Launch Pad (FLP)
ContractorISRO
Orbital parameters
Reference systemGeocentric orbit[1]
RegimeSun-synchronous orbit
Perigee altitude526.7 km (327.3 mi) (planned)
Apogee altitude543.4 km (337.7 mi) (planned)
Inclination97.6°
Period95.2 minutes
Instruments
Synthetic Aperture Radar (C-band) (SAR-C)
← EOS-08
EOS-N1 →
← EOS-04
RISAT-2A →

EOS-09 or Earth Observation Satellite-09 (formerly known as RISAT-1B) was an Indian Space Research Organisation radar imaging satellite designed to provide continuous and reliable remote sensing data for operational applications across various sectors.[2] It was intended to be a follow on to RISAT-1 satellite with similar configuration. The satellite was developed by the ISRO and was the seventh in the series of RISAT satellites.[3][4][5]

Satellite description

Synthetic Aperture Radar (SAR) can be used for Earth observation irrespective of the light and weather conditions of the area being imaged.[6] It complements/supplements data from Resourcesat, Cartosat and RISAT-2B Series.[7] The satellite carries a C-band synthetic-aperture radar (SAR) and has a liftoff mass of 1,710 kg (3,770 lb).[1] The EOS-09 orbit is expected to be in a polar and Sun-synchronous orbit (SSO) at 05:30 AM LTDN, at approximate altitude of 529 km.[8]

Launch Failure

The PSLV-C61 mission launched EOS-9 on 18 May 2025 at 5:59 AM IST. The first and second stages performed nominally, however, the third stage experienced an anomaly which resulted in loss of mission. ISRO is investigating the failure.[9][10]

See also

References

  1. ^ a b "PSLV-C52/EOS-04 Mission". ISRO. Archived from the original on 9 February 2022. Retrieved 9 February 2022.
  2. ^ "EOS-09". ISRO. Archived from the original on 16 May 2025. Retrieved 18 May 2025.
  3. ^ Krebs, Gunter (8 October 2021). "RISAT 1, 1A, 1B (EOS 04)". Gunter's Space Page. Archived from the original on 26 December 2021. Retrieved 26 December 2021.
  4. ^ "Unstarred Question No. 4702" (PDF). Lok Sabha. National Informatics Centre. 29 March 2023. Archived from the original (PDF) on 29 March 2023. Retrieved 12 April 2023.
  5. ^ "Mission Summary - RISAT-1B". CEOS. 2021. Archived from the original on 26 December 2021. Retrieved 26 December 2021.
  6. ^ Raj, N. Gopal (25 April 2012). "RISAT-1's radar can see through clouds and work in darkness". The Hindu. Chennai, India.
  7. ^ "PSLV-C52/EOS-04 Brochure - ISRO". www.isro.gov.in. Archived from the original on 9 February 2022. Retrieved 17 February 2022.
  8. ^ Reddy, O.V. Raghav (3 February 2016). "Future Earth Observation Missions of ISRO, NRSC User Interaction Meet 2016" (PDF). Archived from the original (PDF) on 3 February 2017.
  9. ^ "EOS-09 mission unsuccessful, will begin technical analysis, says ISRO chief - The Economic Times". m.economictimes.com. Retrieved 18 May 2025.
  10. ^ ISRO Official (17 May 2025). ISRO's 101st Launch | PSLV-C61 / EOS-09 | 18 May 2025. Retrieved 18 May 2025 – via YouTube.


Stub icon

This article about one or more spacecraft of India is a stub. You can help Wikipedia by adding missing information.

Content Disclaimer

Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.

  1. The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
  2. There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
  3. It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
  4. Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
  5. Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.