Orbital elements of SL-8 DEB
| Launched | 11 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21154 |
| 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 15 17:56 | 2025 Sep 14 04:13:26 | 74.2558 | 0.01941 | 14.8861 | 353.0680 | 6.7667 | 12.01321 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 06:25:52 | 74.2543 | 0.01939 | 15.7555 | 8.1778 | 6.7667 | 12.01321 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 10:33:37 | 74.2536 | 0.01937 | 16.2997 | 17.6850 | 6.7667 | 12.01321 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 10:33:37 | 74.2536 | 0.01937 | 16.2997 | 17.6850 | 6.7667 | 12.01321 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 10:33:37 | 74.2536 | 0.01937 | 16.2997 | 17.6850 | 6.7667 | 12.01321 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 10:33:37 | 74.2536 | 0.01937 | 16.2997 | 17.6850 | 6.7667 | 12.01321 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 10:33:37 | 74.2536 | 0.01937 | 16.2997 | 17.6850 | 6.7667 | 12.01321 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 10:33:37 | 74.2536 | 0.01937 | 16.2997 | 17.6850 | 6.7667 | 12.01321 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:38:21 | 74.2537 | 0.01936 | 16.6315 | 23.4987 | 6.7667 | 12.01321 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:38:21 | 74.2537 | 0.01936 | 16.6315 | 23.4987 | 6.7667 | 12.01321 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:38:21 | 74.2537 | 0.01936 | 16.6315 | 23.4987 | 6.7667 | 12.01321 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:38:21 | 74.2537 | 0.01936 | 16.6315 | 23.4987 | 6.7667 | 12.01321 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:38:21 | 74.2537 | 0.01936 | 16.6315 | 23.4987 | 6.7667 | 12.01321 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 18:44:35 | 74.2539 | 0.01936 | 17.0695 | 31.1874 | 6.7667 | 12.01321 | – |