Orbital elements of IRS-1B
| Launched | 28 August 1991 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | India |
| NORAD ID | 21688 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 Feb 05 18:58 | 2026 Feb 02 11:51:25 | 99.4122 | 0.00244 | 2.5384 | 10.8690 | 101.6421 | 13.97851 | 5.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 11:51:25 | 99.4122 | 0.00244 | 2.5384 | 10.8690 | 101.6421 | 13.97851 | 5.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 11:51:25 | 99.4122 | 0.00244 | 2.5384 | 10.8690 | 101.6421 | 13.97851 | 5.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 11:51:25 | 99.4122 | 0.00244 | 2.5384 | 10.8690 | 101.6421 | 13.97851 | 5.743 |
| 2026 Feb 01 18:56 | 2026 Jan 27 13:15:32 | 99.4124 | 0.00248 | 2.1325 | 26.9062 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 31 18:56 | 2026 Jan 27 13:15:32 | 99.4124 | 0.00248 | 2.1325 | 26.9062 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 30 18:57 | 2026 Jan 27 13:15:32 | 99.4124 | 0.00248 | 2.1325 | 26.9062 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 29 18:56 | 2026 Jan 27 13:15:32 | 99.4124 | 0.00248 | 2.1325 | 26.9062 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 28 18:56 | 2026 Jan 27 13:15:32 | 99.4124 | 0.00248 | 2.1325 | 26.9062 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 27 18:56 | 2026 Jan 22 11:33:02 | 99.4122 | 0.00251 | 1.7861 | 40.6048 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 26 18:57 | 2026 Jan 22 11:33:02 | 99.4122 | 0.00251 | 1.7861 | 40.6048 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 25 18:57 | 2026 Jan 22 11:33:02 | 99.4122 | 0.00251 | 1.7861 | 40.6048 | 101.6421 | 13.97851 | 5.743 |
| 2026 Jan 24 18:58 | 2026 Jan 22 11:33:02 | 99.4122 | 0.00251 | 1.7861 | 40.6048 | 101.6421 | 13.97851 | 5.743 |