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 |
| 2025 Oct 24 17:57 | 2025 Oct 23 23:39:13 | 99.4088 | 0.00235 | 19.6061 | 285.3637 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 22 17:56 | 2025 Oct 18 06:32:08 | 99.4092 | 0.00237 | 19.2159 | 301.3673 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 21 17:56 | 2025 Oct 18 06:32:08 | 99.4092 | 0.00237 | 19.2159 | 301.3673 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 20 17:56 | 2025 Oct 18 06:32:08 | 99.4092 | 0.00237 | 19.2159 | 301.3673 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 19 17:56 | 2025 Oct 18 06:32:08 | 99.4092 | 0.00237 | 19.2159 | 301.3673 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:32:08 | 99.4092 | 0.00237 | 19.2159 | 301.3673 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 17 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 16 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 09 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 08 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 07 17:56 | 2025 Oct 07 12:48:25 | 99.4093 | 0.00241 | 18.4825 | 332.0459 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 05 17:56 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 04 17:57 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 03 17:57 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Oct 02 17:56 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Sep 30 17:56 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Sep 29 17:56 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Sep 28 17:56 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |
| 2025 Sep 27 17:56 | 2025 Sep 25 23:59:12 | 99.4073 | 0.00245 | 17.6948 | 3.7590 | 130.1015 | 13.97822 | 5.743 |