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 | 21177 |
| 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 13 18:56 | 2025 Dec 12 07:24:28 | 74.1085 | 0.01460 | 21.6632 | 339.8431 | 131.3192 | 12.13550 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:24:28 | 74.1085 | 0.01460 | 21.6632 | 339.8431 | 131.3192 | 12.13550 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:12:24 | 74.1082 | 0.01459 | 22.0790 | 346.9430 | 131.3192 | 12.13550 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:12:24 | 74.1082 | 0.01459 | 22.0790 | 346.9430 | 131.3192 | 12.13550 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:12:24 | 74.1082 | 0.01459 | 22.0790 | 346.9430 | 131.3192 | 12.13550 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:12:24 | 74.1082 | 0.01459 | 22.0790 | 346.9430 | 131.3192 | 12.13550 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:12:24 | 74.1082 | 0.01459 | 22.0790 | 346.9430 | 131.3192 | 12.13550 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:19:35 | 74.1082 | 0.01458 | 22.4697 | 353.6247 | 131.3192 | 12.13550 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:19:35 | 74.1082 | 0.01458 | 22.4697 | 353.6247 | 131.3192 | 12.13550 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:19:35 | 74.1082 | 0.01458 | 22.4697 | 353.6247 | 131.3192 | 12.13550 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:19:35 | 74.1082 | 0.01458 | 22.4697 | 353.6247 | 131.3192 | 12.13550 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:19:35 | 74.1082 | 0.01458 | 22.4697 | 353.6247 | 131.3192 | 12.13550 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 12:09:32 | 74.1086 | 0.01456 | 23.0466 | 3.5199 | 131.3192 | 12.13550 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 12:09:32 | 74.1086 | 0.01456 | 23.0466 | 3.5199 | 131.3192 | 12.13550 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 12:09:32 | 74.1086 | 0.01456 | 23.0466 | 3.5199 | 131.3192 | 12.13550 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 12:09:32 | 74.1086 | 0.01456 | 23.0466 | 3.5199 | 131.3192 | 12.13550 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 12:09:32 | 74.1086 | 0.01456 | 23.0466 | 3.5199 | 131.3192 | 12.13550 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 12:09:32 | 74.1086 | 0.01456 | 23.0466 | 3.5199 | 131.3192 | 12.13550 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:58:24 | 74.1093 | 0.01455 | 23.4829 | 11.0127 | 131.3192 | 12.13550 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:58:24 | 74.1093 | 0.01455 | 23.4829 | 11.0127 | 131.3192 | 12.13550 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 04:58:24 | 74.1093 | 0.01455 | 23.4829 | 11.0127 | 131.3192 | 12.13550 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:58:24 | 74.1093 | 0.01455 | 23.4829 | 11.0127 | 131.3192 | 12.13550 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:30:53 | 74.1107 | 0.01453 | 0.4381 | 27.4620 | 131.3192 | 12.13550 | – |
| 2025 Nov 16 18:58 | 2025 Nov 08 14:30:53 | 74.1107 | 0.01453 | 0.4381 | 27.4620 | 131.3192 | 12.13550 | – |