Orbital elements of SL-8 R/B
| Launched | 15 January 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12139 |
| 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 05 04:56:01 | 82.9395 | 0.02639 | 21.3355 | 292.1657 | 65.1755 | 15.09775 | 4.743 |
| 2026 Feb 04 18:57 | 2026 Feb 04 06:39:52 | 82.9399 | 0.02642 | 21.3926 | 295.4471 | 65.1755 | 15.09775 | 4.743 |
| 2026 Feb 03 18:56 | 2026 Feb 03 06:48:13 | 82.9399 | 0.02645 | 21.4538 | 298.9322 | 65.1755 | 15.09775 | 4.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 06:56:32 | 82.9400 | 0.02648 | 21.5149 | 302.4197 | 65.1755 | 15.09775 | 4.743 |
| 2026 Feb 01 18:56 | 2026 Feb 01 07:04:47 | 82.9398 | 0.02651 | 21.5761 | 305.9080 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 31 18:56 | 2026 Jan 31 07:13:00 | 82.9395 | 0.02654 | 21.6372 | 309.3855 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 30 18:57 | 2026 Jan 30 07:21:10 | 82.9391 | 0.02657 | 21.6984 | 312.8668 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 29 18:56 | 2026 Jan 29 07:29:17 | 82.9391 | 0.02661 | 21.7596 | 316.3492 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 28 18:56 | 2026 Jan 27 18:53:36 | 82.9387 | 0.02668 | 21.8534 | 321.6797 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 27 18:56 | 2026 Jan 27 07:45:19 | 82.9387 | 0.02669 | 21.8819 | 323.3062 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 26 18:57 | 2026 Jan 26 07:53:14 | 82.9391 | 0.02672 | 21.9431 | 326.7745 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 25 18:57 | 2026 Jan 25 08:01:06 | 82.9392 | 0.02676 | 22.0042 | 330.2482 | 65.1755 | 15.09775 | 4.743 |
| 2026 Jan 24 18:58 | 2026 Jan 24 08:08:54 | 82.9394 | 0.02681 | 22.0654 | 333.7204 | 65.1755 | 15.09775 | 4.743 |