ISRO's PSLV-C61 Mission Fails Due to Third Stage Anomaly
| Category | Details |
|---|---|
| Event | PSLV-C61/EOS-09 mission failure |
| Date | May 18, 2025, 5:59 a.m. IST |
| Launch Site | Satish Dhawan Space Centre, Sriharikota |
| Mission Name | PSLV-C61/EOS-09 |
| Satellite Weight | 1,696.24 kg |
| Configuration | PSLV-XL (Extra Large) |
| Objective | Deploy EOS-09 satellite for all-weather earth observation using SAR |
| Technical Glitch | Third stage anomaly: Fall in chamber pressure in the solid rocket motor |
| Result | Mission failed; EOS-09 not placed into intended orbit |
| Context | 101st ISRO mission, 63rd PSLV flight, 3rd PSLV failure since 1993 |
| Previous Failure | PSLV-C39 in 2017 |
| Previous Success | SpaDeX mission in December 2024 |
| EOS-09 Satellite | Uses RISAT-1 heritage bus, 5-year mission life, equipped with SAR payload |
| ISRO Response | Post-mission analysis initiated to identify and correct the fault |
| Recent Setbacks | NVS-02 mission anomaly in January 2025 due to valve malfunction |