Name:IRS-1D
LaunchDate:29.09.1997
IRS – 1D was launched on September 27, 1997 by PSLV – C1. IRS – 1D, a follow on satellite to IRS – 1C belongs to the second generation of IRS series of Satellites. It has 3 payloads viz., PAN, LISS 3 & WiFS. It has similar capabilities as IRC – 1C in terms of spatial resolution, spectral bands, stereoscopic imaging, wide field coverage and revisit capability. The improvements carried out in the IRS – 1D satellite taking into account the IRS – 1C experiences have resulted in better quality imageries. Mission completed during January 2010 after serving for 12 years and 3 months. | ||
| Mission | Operational Remote Sensing |
| Weight | 1250kg |
| onboard power | 809 Watts (generated by 9.6 sq.metres Solar Panels) |
| Communication | S-band, X-band |
| Stabilization | Three axis body stabilized (zero momentum) with 4 Reaction Wheels, Magnetic torquer |
| RCS | Monopropellant Hydrazine based with sixteen 1 Newton thrusters & one 11 N thrusters |
| Payload | Three solid state Push Broom Cameras: PAN (6 metre solution ) LlSS-3 (23.6 metre resolution) and WiFS (189 metre resolution) |
| Onboard tape recorder | Storage Capacity : 62 G bits |
| Launch date | 27 September 1997 |
| Launch site | SHAR Centre Sriharikota India |
| Launch vehicle | PSLV-C1 |
| Orbit (nomial) | 817 km Polar Sun-synchronous |
| Achieved orbit | 740 x 817 km |
| Inclination | 98.6 o |
| Local time | 10.30 a.m. (descending node) |
| Mission completed on | January 2010 |
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