PSLV-C1
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PSLV-C1 was the overall fourth mission of the Polar Satellite Launch Vehicle (PSLV) program by Indian Space Research Organisation (ISRO). The vehicle carried IRS-1D satellite which was deployed in the Sun-synchronous orbit (SSO).[1][2][3][4] This was India's first launch vehicle built without Russian assistance and PSLV's first operational flight placed IRS-1D into a polar orbit. However, it could not place the satellite in the desired circular orbit but in an elliptical orbit due to a leak of helium gas from one of the components. The mission was termed partial failure since the satellite could not be placed at the desired altitude.[5][6]
Quick Facts Mission type, Operator ...
![]() Model of the PSLV rocket | |
Mission type | Deployment of one satellite |
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Operator | ISRO |
Website | ISRO website |
Mission duration | 1090.52 seconds |
Spacecraft properties | |
Spacecraft | Polar Satellite Launch Vehicle |
Spacecraft type | Launch vehicle |
Manufacturer | ISRO |
Launch mass | 294,000 kg (648,000 lb) |
Payload mass | 1,250 kg (2,760 lb) |
Start of mission | |
Launch date | 29 September 1997, 04:47 UTC |
Rocket | PSLV |
Launch site | Sriharikota Launching Range |
Contractor | ISRO |
Orbital parameters | |
Reference system | Geocentric orbit |
Regime | Sun-synchronous orbit |
Inclination | 98.7° |
Payload | |
IRS-1D | |
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