IRS-1D
The Indian Remote Sensing Satellite IRS-1D was successfully launched into polar orbit on September 29, 1997 by a PSLV launch vehicle. Its sensors were activated in the middle of October 1997.
Key Parameters of the IRS-1D Sensors
| PAN | LISS-III | WiFS | ||
|---|---|---|---|---|
| Spatial Resolution | 5.8 m |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
23 m 23 m 23 m 70 m |
188 m 188 m |
| Swath-width | 63 - 70 km | all Bands | 127 - 141 km | 728 - 812 km |
| Radiometric Resolution, Quantisation | 6 bit | all Bands | 7 bit | 7 bit |
| Spectral Coverage | 500 - 750 nm |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
520-590 nm 620-680 nm 770-860 nm 1550-1700 nm |
620-680 nm 770-860 nm |
| Focal Length | 974.8 mm |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
346.411 mm 346.411 mm 346.411 mm 300.177 mm |
56.57 mm 56.57 mm |
| CCD Arrays (no. of arrays * no. of elements) |
3 * 4096 |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
1 * 6000 1 * 6000 1 * 6000 7 * 300 |
2 * 2048 2 * 2048 |
| CCD Size | 7 µm x 7 µm |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
10 µm x 7 µm 10 µm x 7 µm 10 µm x 7 µm 26 µm x 26 µm |
13 µm x 13 µm 13 µm x 13 µm |
| Integration Time | 0.8836458 ms |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
3.6047576 ms 3.6047576 ms 3.6047576 ms 10.8142728 ms |
28.83806 ms 28.83806 ms |
| Cross Track Field Of View (FOV) for Single Pixel (radiant) |
0.0000072 |
Band 2 (green) Band 3 (red) Band 4 (NIR) Band 5 (SWIR) |
0.0000289 0.0000289 0.0000289 - |
0.0002298 0.0002298 |