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by | Mar 16, 2018 | Hosta

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EOS-02 (formerly known as Microsat-2A) was an Indian Earth observation microsatellite developed by the Indian Space Research Organisation as a test payload on the maiden launch of the Small Satellite Launch Vehicle (SSLV).[1] EOS-02 was based on Microsat-TD. The objective behind EOS-02 was to realize and fly an experimental imaging satellite with short turnaround time to showcase launch on demand capability.[2]

It was intended to be used for cartographic applications at a cadastral level, urban and rural management, coastal land use and regulation, utilities mapping, development and various other GIS applications. The satellite carried two payloads: a mid-wavelength and a long-wavelength infared camera with a 6m resolution.[3]

Launch

EOS-02 was launched on Small Satellite Launch Vehicle's maiden flight SSLV-D1 at 03:48 UTC / 09:18 IST on 7 August 2022,[4][5] but due to the final VTM stage failure, the rocket entered a transatmospheric orbit of 356 km x 76 km (221 mi x 47 mi) instead of the planned circular 356 km (221 mi) circular orbit. As a result, both satellites onboard (EOS-02 and AzaadiSAT) were destroyed during reentry.[6]

References

  1. ^ "India's GISAT-1, Microsat 2-A, GSAT-12R, RISAT-2BR2 satellites ready for launch, says senior ISRO official". DNA India. Retrieved 2022-02-14.
  2. ^ "India Completes Maiden SSLV Mission, ISRO Says Orbit Achieved Was 'Less Than Expected'". News18. 2022-08-07. Retrieved 2022-08-07.
  3. ^ "Annual Report 2019-20 (English)". www.isro.gov.in. Archived from the original on 2020-04-06. Retrieved 2022-02-15.
  4. ^ "ISRO's next-gen rocket SSLV to have maiden launch by July-end". WION. 30 June 2022. Retrieved 2 July 2022.
  5. ^ Indian Space Research Organisation [@ISRO] (August 1, 2022). "The launch of the SSLV-D1/EOS-02 Mission is scheduled for Sunday, August 7, 2022, at 9:18 am (IST) from Satish Dhawan Space Centre (SDSC), Sriharikota. ISRO invites citizens to the Launch View Gallery at SDSC to witness the launch" (Tweet). Retrieved 1 August 2022 – via Twitter.
  6. ^ Indian Space Research Organization [@isro] (August 7, 2022). "SSLV-D1/EOS-02 Mission update: SSLV-D1 placed the satellites into 356 km x 76 km elliptical orbit instead of 356 km circular orbit. Satellites are no longer usable. Issue is reasonably identified. Failure of a logic to identify a sensor failure and go for a salvage action caused the deviation. A committee would analyse and recommend. With the implementation of the recommendations, ISRO will come back soon with SSLV-D2. A detailed statement by Chairman, ISRO will be uploaded soon" (Tweet) – via Twitter.
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