Orbital elements of SL-8 R/B
| Launched | 25 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21131 |
| 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 Mar 16 18:57 | 2026 Mar 15 13:45:11 | 82.8223 | 0.00634 | 17.2646 | 4.1464 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:45:11 | 82.8223 | 0.00634 | 17.2646 | 4.1464 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 14 18:56 | 2026 Mar 10 12:00:00 | 82.8223 | 0.00638 | 17.5219 | 18.3381 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 13 18:57 | 2026 Mar 10 12:00:00 | 82.8223 | 0.00638 | 17.5219 | 18.3381 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 12 18:57 | 2026 Mar 10 12:00:00 | 82.8223 | 0.00638 | 17.5219 | 18.3381 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 11 18:56 | 2026 Mar 10 12:00:00 | 82.8223 | 0.00638 | 17.5219 | 18.3381 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 10 18:56 | 2026 Mar 10 12:00:00 | 82.8223 | 0.00638 | 17.5219 | 18.3381 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 09 18:56 | 2026 Mar 04 11:38:09 | 82.8223 | 0.00641 | 17.8269 | 35.0831 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 08 18:57 | 2026 Mar 04 11:38:09 | 82.8223 | 0.00641 | 17.8269 | 35.0831 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 07 18:57 | 2026 Mar 04 11:38:09 | 82.8223 | 0.00641 | 17.8269 | 35.0831 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 06 18:56 | 2026 Mar 04 11:38:09 | 82.8223 | 0.00641 | 17.8269 | 35.0831 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 05 18:56 | 2026 Mar 04 11:38:09 | 82.8223 | 0.00641 | 17.8269 | 35.0831 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 04 18:57 | 2026 Mar 04 11:38:09 | 82.8223 | 0.00641 | 17.8269 | 35.0831 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:00:38 | 82.8229 | 0.00644 | 18.1282 | 51.5532 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:00:38 | 82.8229 | 0.00644 | 18.1282 | 51.5532 | 356.0206 | 13.80615 | 5.743 |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:00:38 | 82.8229 | 0.00644 | 18.1282 | 51.5532 | 356.0206 | 13.80615 | 5.743 |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:00:38 | 82.8229 | 0.00644 | 18.1282 | 51.5532 | 356.0206 | 13.80615 | 5.743 |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:00:38 | 82.8229 | 0.00644 | 18.1282 | 51.5532 | 356.0206 | 13.80615 | 5.743 |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:00:38 | 82.8229 | 0.00644 | 18.1282 | 51.5532 | 356.0206 | 13.80615 | 5.743 |