 GSAT-4 | |
| Mission type | Communication |
|---|---|
| Operator | ISRO |
| Mission duration | 7 years (planned) Failed to orbit |
| Spacecraft properties | |
| Bus | I-2K |
| Manufacturer | ISRO Satellite Centre Space Applications Centre |
| Launch mass | 2,220 kilograms (4,890 lb) |
| Power | 2,760 watts |
| Start of mission | |
| Launch date | 15 April 2010, 10:57 UTC |
| Rocket | GSLV Mk.II D3 |
| Launch site | Satish Dhawan SLP |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 82° East |
| Epoch | Planned |
| Transponders | |
| Band | Ka-band |
GSAT-4, also known as HealthSat, was an experimental communication and navigation satellite launched in April 2010 by the Indian Space Research Organisation on the maiden flight of the Geosynchronous Satellite Launch Vehicle Mk.II rocket.[1] It failed to reach orbit after the rocket's third stage malfunctioned.[2] The third stage was the first Indian-built cryogenic-fuelled upper stage, and was making its first flight. The ISRO suspects that the failure was caused by the third stage not igniting.[3]
- ^ "Indian Communication Satellites". Indian Space Research Organisation. Archived from the original on 23 December 2007.
- ^ Subramanian, T. S. (15 April 2010). "India's indigenous GSLV D3 rocket fails in mission". The Hindu. Retrieved 15 April 2010.
- ^ Subramanian, T. S. (17 April 2010). "Why didn't the cryogenic engine ignite?". The Hindu. Retrieved 17 April 2010.