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 | 21187 |
| 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 15 04:15:52 | 74.2467 | 0.01781 | 21.9988 | 74.1257 | 314.9429 | 12.09379 | – |
| 2025 Sep 12 17:57 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 06:30:42 | 74.2487 | 0.01785 | 23.0440 | 92.4675 | 314.9429 | 12.09379 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 15:47:26 | 74.2492 | 0.01786 | 23.4986 | 100.4178 | 314.9429 | 12.09379 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 15:47:26 | 74.2492 | 0.01786 | 23.4986 | 100.4178 | 314.9429 | 12.09379 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 15:47:26 | 74.2492 | 0.01786 | 23.4986 | 100.4178 | 314.9429 | 12.09379 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 15:47:26 | 74.2492 | 0.01786 | 23.4986 | 100.4178 | 314.9429 | 12.09379 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 15:47:26 | 74.2492 | 0.01786 | 23.4986 | 100.4178 | 314.9429 | 12.09379 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 15:47:26 | 74.2492 | 0.01786 | 23.4986 | 100.4178 | 314.9429 | 12.09379 | – |
| 2025 Aug 27 17:56 | 2025 Aug 20 19:30:24 | 74.2496 | 0.01789 | 0.0529 | 110.0940 | 314.9429 | 12.09379 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 19:30:24 | 74.2496 | 0.01789 | 0.0529 | 110.0940 | 314.9429 | 12.09379 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 19:30:24 | 74.2496 | 0.01789 | 0.0529 | 110.0940 | 314.9429 | 12.09379 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 19:30:24 | 74.2496 | 0.01789 | 0.0529 | 110.0940 | 314.9429 | 12.09379 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 19:30:24 | 74.2496 | 0.01789 | 0.0529 | 110.0940 | 314.9429 | 12.09379 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 19:53:21 | 74.2495 | 0.01789 | 0.2946 | 114.3087 | 314.9429 | 12.09379 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 19:53:21 | 74.2495 | 0.01789 | 0.2946 | 114.3087 | 314.9429 | 12.09379 | – |