IRS-1D
IRS-1D is the seventh satellite in Indian Remote Sensing satellite series of Earth Observation satellites, built, launched and maintained by Indian Space Research Organisation (ISRO). The satellite has similar capabilities as that of ISRO's IRS-1C satellite with some improvements added for better imagery particularly in thematic mapping.
| Names | Indian Remote Sensing satellite-1D |
|---|---|
| Mission type | Earth observation |
| Operator | ISRO |
| COSPAR ID | 1997-057A |
| SATCAT no. | 24971 |
| Website | https://www.isro.gov.in/ |
| Mission duration | 3 years (planned) 12 years (achieved) |
| Spacecraft properties | |
| Spacecraft | IRS-1D |
| Bus | IRS-1A |
| Manufacturer | Indian Space Research Organisation |
| Launch mass | 1,250 kg (2,760 lb) |
| Dry mass | 1,150 kg (2,540 lb) |
| Dimensions | 1.65 m x 1.55 m x 2.30 m |
| Power | 809 watts |
| Start of mission | |
| Launch date | 29 September 1997, 04:47 UTC |
| Rocket | Polar Satellite Launch Vehicle, PSLV-C1 |
| Launch site | Satish Dhawan Space Centre, First Launch Pad (FLP) |
| Contractor | Indian Space Research Organisation |
| Entered service | December 1997 |
| End of mission | |
| Deactivated | 15 January 2010 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Sun-synchronous orbit |
| Perigee altitude | 740 km (460 mi) |
| Apogee altitude | 817 km (508 mi) |
| Inclination | 98.6° |
| Period | 95.9 minutes |
| Instruments | |
| Linear Imaging Self-Scanning Sensor-3 (LISS-3) Panchromatic Camera (PAN) Wide-Field Sensor (WiFS) | |
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