IRS-1B
| Mission type | Earth Observation Remote Sensing |
|---|---|
| Operator | ISRO |
| Mission duration | 12 years, 4 months |
| Spacecraft properties | |
| Bus | I-1K |
| Manufacturer | ISRO |
| Launch mass | 975 kilograms (2,150 lb) |
| Power | 600 watts |
| Start of mission | |
| Launch date | August 29, 1991 |
| Rocket | Vostok-2M |
| Launch site | Baikonur 31/6 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
IRS-1B was a successor to the remote sensing mission IRS-1A, both undertaken by the Indian Space Research Organisation. It was an operational and experimental mission to develop indigenous expertise in satellite imagery.
IRS-1B was the first remote sensing mission undertaken by ISRO using imagery generated by remote sensing technology for land-based applications. The long term objective of the mission was to develop the indigenous capability in the field of remote sensing.
IRS-1B carried 3 solid state Linear Imaging Self-Scanning System cameras:
IRS-1B successfully completed its mission after operating for 12 years and 4 months in December 2003.
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