Orbital elements of SL-8 R/B
| Launched | 15 April 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21231 |
| 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 Sep 12 17:57 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:32:15 | 82.9507 | 0.00364 | 3.0647 | 125.6350 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 21:24:42 | 82.9498 | 0.00361 | 3.3780 | 142.8325 | 47.0013 | 13.76084 | 5.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 21:24:42 | 82.9498 | 0.00361 | 3.3780 | 142.8325 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:24:42 | 82.9498 | 0.00361 | 3.3780 | 142.8325 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:24:42 | 82.9498 | 0.00361 | 3.3780 | 142.8325 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:24:42 | 82.9498 | 0.00361 | 3.3780 | 142.8325 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:24:42 | 82.9498 | 0.00361 | 3.3780 | 142.8325 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 27 17:56 | 2025 Aug 23 00:30:38 | 82.9491 | 0.00358 | 3.6188 | 156.1620 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 26 17:56 | 2025 Aug 23 00:30:38 | 82.9491 | 0.00358 | 3.6188 | 156.1620 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 25 17:56 | 2025 Aug 23 00:30:38 | 82.9491 | 0.00358 | 3.6188 | 156.1620 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 24 17:56 | 2025 Aug 23 00:30:38 | 82.9491 | 0.00358 | 3.6188 | 156.1620 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 23 17:56 | 2025 Aug 23 00:30:38 | 82.9491 | 0.00358 | 3.6188 | 156.1620 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 22 17:56 | 2025 Aug 18 12:02:34 | 82.9487 | 0.00355 | 3.8423 | 168.6235 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 20 17:56 | 2025 Aug 18 12:02:34 | 82.9487 | 0.00355 | 3.8423 | 168.6235 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 19 17:56 | 2025 Aug 18 12:02:34 | 82.9487 | 0.00355 | 3.8423 | 168.6235 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 18 17:56 | 2025 Aug 18 12:02:34 | 82.9487 | 0.00355 | 3.8423 | 168.6235 | 47.0013 | 13.76084 | 5.243 |
| 2025 Aug 16 17:56 | 2025 Aug 12 01:16:44 | 82.9488 | 0.00351 | 4.1611 | 186.6390 | 47.0013 | 13.76084 | 5.243 |