Spacecraft information: IRS-1D
| Launched | 28 September 1997 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Satish Dhawan Space Centre, India (Formerly Sriharikota Launching Range) |
| Owner | India |
| NORAD ID | 24971 |
| COSPAR ID | 1997-057A |
| Observing |
Current orbital elements
| Inclination | 98.841° |
| Eccentricity | 0.00530 |
| RA ascending node | 4.773 hr |
| Argument perigee | 128.592° |
| Mean anomaly | 232.002° |
| Orbital period | 100.315 min |
| Epoch of osculation | 20 Mar 2026, 09:36 |
Derived Quantities
| Min Altitude | 742.7 km |
| Mean Altitude | 780.6 km |
| Peak Altitude | 818.5 km |
Launched alongside
PSLV 1C R/BOrbital History
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