Orbital elements of SL-8 R/B
| Launched | 5 April 1990 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20557 |
| 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 Dec 16 18:57 | 2025 Dec 12 07:18:10 | 73.9866 | 0.01511 | 19.8398 | 67.2207 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 07:18:10 | 73.9866 | 0.01511 | 19.8398 | 67.2207 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:18:10 | 73.9866 | 0.01511 | 19.8398 | 67.2207 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:18:10 | 73.9866 | 0.01511 | 19.8398 | 67.2207 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:18:10 | 73.9866 | 0.01511 | 19.8398 | 67.2207 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:05:00 | 73.9862 | 0.01511 | 20.2702 | 74.5158 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:05:00 | 73.9862 | 0.01511 | 20.2702 | 74.5158 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:05:00 | 73.9862 | 0.01511 | 20.2702 | 74.5158 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:05:00 | 73.9862 | 0.01511 | 20.2702 | 74.5158 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:05:00 | 73.9862 | 0.01511 | 20.2702 | 74.5158 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:08:16 | 73.9860 | 0.01511 | 20.6749 | 81.3777 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:08:16 | 73.9860 | 0.01511 | 20.6749 | 81.3777 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:08:16 | 73.9860 | 0.01511 | 20.6749 | 81.3777 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:08:16 | 73.9860 | 0.01511 | 20.6749 | 81.3777 | 44.9320 | 12.23293 | 6.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:08:16 | 73.9860 | 0.01511 | 20.6749 | 81.3777 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:01:57 | 73.9857 | 0.01511 | 21.2634 | 91.3409 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:01:57 | 73.9857 | 0.01511 | 21.2634 | 91.3409 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:01:57 | 73.9857 | 0.01511 | 21.2634 | 91.3409 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:01:57 | 73.9857 | 0.01511 | 21.2634 | 91.3409 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:01:57 | 73.9857 | 0.01511 | 21.2634 | 91.3409 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:01:57 | 73.9857 | 0.01511 | 21.2634 | 91.3409 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:11:38 | 73.9859 | 0.01511 | 21.7136 | 98.9856 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:11:38 | 73.9859 | 0.01511 | 21.7136 | 98.9856 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:11:38 | 73.9859 | 0.01511 | 21.7136 | 98.9856 | 44.9320 | 12.23293 | 6.743 |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:11:38 | 73.9859 | 0.01511 | 21.7136 | 98.9856 | 44.9320 | 12.23293 | 6.743 |