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 Jun 30 17:56 | 2025 Jun 28 14:33:59 | 99.3995 | 0.00236 | 11.5929 | 243.5216 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 29 17:56 | 2025 Jun 28 14:33:59 | 99.3995 | 0.00236 | 11.5929 | 243.5216 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 28 17:56 | 2025 Jun 28 14:33:59 | 99.3995 | 0.00236 | 11.5929 | 243.5216 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 27 17:56 | 2025 Jun 23 11:04:21 | 99.3998 | 0.00234 | 11.2417 | 258.1676 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 26 17:56 | 2025 Jun 23 11:04:21 | 99.3998 | 0.00234 | 11.2417 | 258.1676 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 25 17:56 | 2025 Jun 23 11:04:21 | 99.3998 | 0.00234 | 11.2417 | 258.1676 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 11:04:21 | 99.3998 | 0.00234 | 11.2417 | 258.1676 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 23 17:56 | 2025 Jun 23 11:04:21 | 99.3998 | 0.00234 | 11.2417 | 258.1676 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 22 17:56 | 2025 Jun 17 10:49:11 | 99.3992 | 0.00232 | 10.8316 | 275.2343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 21 17:56 | 2025 Jun 17 10:49:11 | 99.3992 | 0.00232 | 10.8316 | 275.2343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 20 17:57 | 2025 Jun 17 10:49:11 | 99.3992 | 0.00232 | 10.8316 | 275.2343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 19 17:56 | 2025 Jun 17 10:49:11 | 99.3992 | 0.00232 | 10.8316 | 275.2343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 18 17:56 | 2025 Jun 17 10:49:11 | 99.3992 | 0.00232 | 10.8316 | 275.2343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 17 17:56 | 2025 Jun 17 10:49:11 | 99.3992 | 0.00232 | 10.8316 | 275.2343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 16 17:56 | 2025 Jun 11 20:21:13 | 99.3985 | 0.00233 | 10.4493 | 290.8637 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 15 17:56 | 2025 Jun 11 20:21:13 | 99.3985 | 0.00233 | 10.4493 | 290.8637 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 14 17:56 | 2025 Jun 11 20:21:13 | 99.3985 | 0.00233 | 10.4493 | 290.8637 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 13 17:56 | 2025 Jun 11 20:21:13 | 99.3985 | 0.00233 | 10.4493 | 290.8637 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 12 17:56 | 2025 Jun 11 20:21:13 | 99.3985 | 0.00233 | 10.4493 | 290.8637 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 11 17:56 | 2025 Jun 05 15:06:03 | 99.3982 | 0.00235 | 10.0250 | 307.9343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 10 17:56 | 2025 Jun 05 15:06:03 | 99.3982 | 0.00235 | 10.0250 | 307.9343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 09 17:56 | 2025 Jun 05 15:06:03 | 99.3982 | 0.00235 | 10.0250 | 307.9343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 08 17:56 | 2025 Jun 05 15:06:03 | 99.3982 | 0.00235 | 10.0250 | 307.9343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 07 17:56 | 2025 Jun 05 15:06:03 | 99.3982 | 0.00235 | 10.0250 | 307.9343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 06 17:56 | 2025 Jun 05 15:06:03 | 99.3982 | 0.00235 | 10.0250 | 307.9343 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 05 17:56 | 2025 Jun 01 14:54:32 | 99.3982 | 0.00237 | 9.7515 | 318.8769 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 04 17:57 | 2025 Jun 01 14:54:32 | 99.3982 | 0.00237 | 9.7515 | 318.8769 | 228.2055 | 13.97800 | 5.743 |
| 2025 Jun 03 17:57 | 2025 Jun 01 14:54:32 | 99.3982 | 0.00237 | 9.7515 | 318.8769 | 228.2055 | 13.97800 | 5.743 |