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 | 21137 |
| 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 30 18:56 | 2025 Dec 26 11:11:12 | 74.0440 | 0.01517 | 7.0337 | 230.6149 | 210.0230 | 12.18046 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:11:12 | 74.0440 | 0.01517 | 7.0337 | 230.6149 | 210.0230 | 12.18046 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:11:12 | 74.0440 | 0.01517 | 7.0337 | 230.6149 | 210.0230 | 12.18046 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:11:12 | 74.0440 | 0.01517 | 7.0337 | 230.6149 | 210.0230 | 12.18046 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:11:12 | 74.0440 | 0.01517 | 7.0337 | 230.6149 | 210.0230 | 12.18046 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 14:51:27 | 74.0442 | 0.01517 | 7.5211 | 238.8592 | 210.0230 | 12.18046 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 14:51:27 | 74.0442 | 0.01517 | 7.5211 | 238.8592 | 210.0230 | 12.18046 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 14:51:27 | 74.0442 | 0.01517 | 7.5211 | 238.8592 | 210.0230 | 12.18046 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 14:51:27 | 74.0442 | 0.01517 | 7.5211 | 238.8592 | 210.0230 | 12.18046 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 14:51:27 | 74.0442 | 0.01517 | 7.5211 | 238.8592 | 210.0230 | 12.18046 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 14:51:27 | 74.0442 | 0.01517 | 7.5211 | 238.8592 | 210.0230 | 12.18046 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 20:33:00 | 74.0431 | 0.01517 | 8.2515 | 251.2294 | 210.0230 | 12.18046 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:36:29 | 74.0424 | 0.01517 | 8.6404 | 257.8199 | 210.0230 | 12.18046 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:36:29 | 74.0424 | 0.01517 | 8.6404 | 257.8199 | 210.0230 | 12.18046 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:36:29 | 74.0424 | 0.01517 | 8.6404 | 257.8199 | 210.0230 | 12.18046 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:36:29 | 74.0424 | 0.01517 | 8.6404 | 257.8199 | 210.0230 | 12.18046 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:36:29 | 74.0424 | 0.01517 | 8.6404 | 257.8199 | 210.0230 | 12.18046 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:21:44 | 74.0416 | 0.01517 | 9.0337 | 264.4816 | 210.0230 | 12.18046 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:21:44 | 74.0416 | 0.01517 | 9.0337 | 264.4816 | 210.0230 | 12.18046 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:21:44 | 74.0416 | 0.01517 | 9.0337 | 264.4816 | 210.0230 | 12.18046 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:21:44 | 74.0416 | 0.01517 | 9.0337 | 264.4816 | 210.0230 | 12.18046 | – |