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 May 20 17:57 | 2026 May 15 23:24:01 | 99.4126 | 0.00252 | 9.5412 | 90.4824 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 19 17:58 | 2026 May 15 23:24:01 | 99.4126 | 0.00252 | 9.5412 | 90.4824 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 18 17:57 | 2026 May 15 23:24:01 | 99.4126 | 0.00252 | 9.5412 | 90.4824 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 17 17:57 | 2026 May 15 23:24:01 | 99.4126 | 0.00252 | 9.5412 | 90.4824 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 16 17:56 | 2026 May 15 23:24:01 | 99.4126 | 0.00252 | 9.5412 | 90.4824 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 15 17:57 | 2026 May 10 13:14:29 | 99.4127 | 0.00254 | 9.1706 | 104.4868 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 14 17:58 | 2026 May 10 13:14:29 | 99.4127 | 0.00254 | 9.1706 | 104.4868 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 13 17:58 | 2026 May 10 13:14:29 | 99.4127 | 0.00254 | 9.1706 | 104.4868 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 12 17:58 | 2026 May 10 13:14:29 | 99.4127 | 0.00254 | 9.1706 | 104.4868 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 11 17:56 | 2026 May 10 13:14:29 | 99.4127 | 0.00254 | 9.1706 | 104.4868 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 10 17:57 | 2026 May 10 13:14:29 | 99.4127 | 0.00254 | 9.1706 | 104.4868 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 09 17:57 | 2026 May 05 11:31:14 | 99.4124 | 0.00254 | 8.8240 | 117.8242 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 08 17:57 | 2026 May 05 11:31:14 | 99.4124 | 0.00254 | 8.8240 | 117.8242 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 07 17:58 | 2026 May 05 11:31:14 | 99.4124 | 0.00254 | 8.8240 | 117.8242 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 06 17:57 | 2026 May 05 11:31:14 | 99.4124 | 0.00254 | 8.8240 | 117.8242 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 05 17:57 | 2026 May 05 11:31:14 | 99.4124 | 0.00254 | 8.8240 | 117.8242 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 04 17:57 | 2026 Apr 30 14:26:50 | 99.4121 | 0.00252 | 8.4907 | 130.8967 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 03 17:57 | 2026 Apr 30 14:26:50 | 99.4121 | 0.00252 | 8.4907 | 130.8967 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 02 17:57 | 2026 Apr 30 14:26:50 | 99.4121 | 0.00252 | 8.4907 | 130.8967 | 298.6176 | 13.97873 | 5.743 |
| 2026 May 01 17:56 | 2026 Apr 30 14:26:50 | 99.4121 | 0.00252 | 8.4907 | 130.8967 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:26:50 | 99.4121 | 0.00252 | 8.4907 | 130.8967 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:27:20 | 99.4125 | 0.00250 | 8.0750 | 147.4903 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:27:20 | 99.4125 | 0.00250 | 8.0750 | 147.4903 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:27:20 | 99.4125 | 0.00250 | 8.0750 | 147.4903 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:27:20 | 99.4125 | 0.00250 | 8.0750 | 147.4903 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:27:20 | 99.4125 | 0.00250 | 8.0750 | 147.4903 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:27:20 | 99.4125 | 0.00250 | 8.0750 | 147.4903 | 298.6176 | 13.97873 | 5.743 |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:12:32 | 99.4132 | 0.00248 | 7.7327 | 161.1569 | 298.6176 | 13.97873 | 5.743 |