May 22 , 2025
8 hrs 0 min
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- India’s PSLV-C61 mission, which intended to deploy the advanced EOS-09 Earth observation satellite, failed recently.
- Issues arose in the flight during the PS3 solid motor phase.
- PS3 stage employs hydroxyl-terminated polybutadiene (HTPB) fuel.
- The EOS-09 satellite, designed for all-weather surveillance using C-band Synthetic Aperture Radar.
- It is failed to reach its intended 525 km sun-synchronous orbit.
- This marks the PSLV’s third failure in 63 launches and its first since 2017.

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