Orbital elements of SL-8 DEB
| Launched | 4 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21091 |
| 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 May 09 17:57 | 2025 May 09 06:26:54 | 82.9320 | 0.00289 | 15.0349 | 151.9554 | 236.9421 | 13.80814 | – |
| 2025 May 08 17:56 | 2025 May 03 12:58:41 | 82.9320 | 0.00286 | 15.3210 | 167.6147 | 236.9421 | 13.80814 | – |
| 2025 May 07 17:56 | 2025 May 03 12:58:41 | 82.9320 | 0.00286 | 15.3210 | 167.6147 | 236.9421 | 13.80814 | – |
| 2025 May 06 17:57 | 2025 May 03 12:58:41 | 82.9320 | 0.00286 | 15.3210 | 167.6147 | 236.9421 | 13.80814 | – |
| 2025 May 05 17:56 | 2025 May 03 12:58:41 | 82.9320 | 0.00286 | 15.3210 | 167.6147 | 236.9421 | 13.80814 | – |
| 2025 May 04 17:57 | 2025 May 03 12:58:41 | 82.9320 | 0.00286 | 15.3210 | 167.6147 | 236.9421 | 13.80814 | – |
| 2025 May 03 17:57 | 2025 May 03 12:58:41 | 82.9320 | 0.00286 | 15.3210 | 167.6147 | 236.9421 | 13.80814 | – |
| 2025 May 01 17:56 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 09:24:15 | 82.9305 | 0.00277 | 15.8778 | 198.6251 | 236.9421 | 13.80814 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 19:35:51 | 82.9294 | 0.00272 | 16.2063 | 217.4366 | 236.9421 | 13.80814 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 19:35:51 | 82.9294 | 0.00272 | 16.2063 | 217.4366 | 236.9421 | 13.80814 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 19:35:51 | 82.9294 | 0.00272 | 16.2063 | 217.4366 | 236.9421 | 13.80814 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 19:35:51 | 82.9294 | 0.00272 | 16.2063 | 217.4366 | 236.9421 | 13.80814 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 19:35:51 | 82.9294 | 0.00272 | 16.2063 | 217.4366 | 236.9421 | 13.80814 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 19:35:51 | 82.9294 | 0.00272 | 16.2063 | 217.4366 | 236.9421 | 13.80814 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 10:24:46 | 82.9284 | 0.00269 | 16.4753 | 233.0774 | 236.9421 | 13.80814 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 10:24:46 | 82.9284 | 0.00269 | 16.4753 | 233.0774 | 236.9421 | 13.80814 | – |