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 Aug 20 17:57 | 2026 Aug 19 00:49:31 | 99.4132 | 0.00241 | 16.0369 | 189.7282 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 19 17:57 | 2026 Aug 19 00:49:31 | 99.4132 | 0.00241 | 16.0369 | 189.7282 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 18 17:56 | 2026 Aug 13 00:30:34 | 99.4128 | 0.00240 | 15.6259 | 206.5795 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 17 17:56 | 2026 Aug 13 00:30:34 | 99.4128 | 0.00240 | 15.6259 | 206.5795 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 16 17:56 | 2026 Aug 13 00:30:34 | 99.4128 | 0.00240 | 15.6259 | 206.5795 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 15 17:57 | 2026 Aug 13 00:30:34 | 99.4128 | 0.00240 | 15.6259 | 206.5795 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 14 17:56 | 2026 Aug 13 00:30:34 | 99.4128 | 0.00240 | 15.6259 | 206.5795 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 13 17:57 | 2026 Aug 13 00:30:34 | 99.4128 | 0.00240 | 15.6259 | 206.5795 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 12 17:56 | 2026 Aug 07 00:11:32 | 99.4126 | 0.00239 | 15.2150 | 223.6112 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 11 17:56 | 2026 Aug 07 00:11:32 | 99.4126 | 0.00239 | 15.2150 | 223.6112 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 10 17:56 | 2026 Aug 07 00:11:32 | 99.4126 | 0.00239 | 15.2150 | 223.6112 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 09 17:57 | 2026 Aug 07 00:11:32 | 99.4126 | 0.00239 | 15.2150 | 223.6112 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 08 17:57 | 2026 Aug 07 00:11:32 | 99.4126 | 0.00239 | 15.2150 | 223.6112 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 07 17:57 | 2026 Aug 07 00:11:32 | 99.4126 | 0.00239 | 15.2150 | 223.6112 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 06 17:57 | 2026 Jul 31 23:53:38 | 99.4126 | 0.00237 | 14.8041 | 240.6571 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 05 17:56 | 2026 Jul 31 23:53:38 | 99.4126 | 0.00237 | 14.8041 | 240.6571 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 04 17:57 | 2026 Jul 31 23:53:38 | 99.4126 | 0.00237 | 14.8041 | 240.6571 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 03 17:56 | 2026 Jul 31 23:53:38 | 99.4126 | 0.00237 | 14.8041 | 240.6571 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 02 17:57 | 2026 Jul 31 23:53:38 | 99.4126 | 0.00237 | 14.8041 | 240.6571 | 233.4770 | 13.97880 | 5.743 |
| 2026 Aug 01 17:57 | 2026 Jul 31 23:53:38 | 99.4126 | 0.00237 | 14.8041 | 240.6571 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 31 17:56 | 2026 Jul 27 01:09:42 | 99.4128 | 0.00234 | 14.4660 | 254.7082 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 30 17:57 | 2026 Jul 27 01:09:42 | 99.4128 | 0.00234 | 14.4660 | 254.7082 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 29 17:57 | 2026 Jul 27 01:09:42 | 99.4128 | 0.00234 | 14.4660 | 254.7082 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 28 17:57 | 2026 Jul 27 01:09:42 | 99.4128 | 0.00234 | 14.4660 | 254.7082 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 27 17:57 | 2026 Jul 27 01:09:42 | 99.4128 | 0.00234 | 14.4660 | 254.7082 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 26 17:56 | 2026 Jul 21 00:53:58 | 99.4123 | 0.00232 | 14.0552 | 271.8816 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 25 17:57 | 2026 Jul 21 00:53:58 | 99.4123 | 0.00232 | 14.0552 | 271.8816 | 233.4770 | 13.97880 | 5.743 |
| 2026 Jul 24 17:56 | 2026 Jul 21 00:53:58 | 99.4123 | 0.00232 | 14.0552 | 271.8816 | 233.4770 | 13.97880 | 5.743 |