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 | 21257 |
| 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 09 18:56 | 2025 Dec 07 07:22:31 | 82.9189 | 0.00329 | 6.3513 | 35.3302 | 354.1467 | 13.78085 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:22:31 | 82.9189 | 0.00329 | 6.3513 | 35.3302 | 354.1467 | 13.78085 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:22:31 | 82.9189 | 0.00329 | 6.3513 | 35.3302 | 354.1467 | 13.78085 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 09:00:14 | 82.9187 | 0.00332 | 6.5970 | 48.9307 | 354.1467 | 13.78085 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 09:00:14 | 82.9187 | 0.00332 | 6.5970 | 48.9307 | 354.1467 | 13.78085 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 09:00:14 | 82.9187 | 0.00332 | 6.5970 | 48.9307 | 354.1467 | 13.78085 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 09:00:14 | 82.9187 | 0.00332 | 6.5970 | 48.9307 | 354.1467 | 13.78085 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:00:14 | 82.9187 | 0.00332 | 6.5970 | 48.9307 | 354.1467 | 13.78085 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 07:51:44 | 82.9180 | 0.00335 | 6.9480 | 68.1405 | 354.1467 | 13.78085 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 07:51:44 | 82.9180 | 0.00335 | 6.9480 | 68.1405 | 354.1467 | 13.78085 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 07:51:44 | 82.9180 | 0.00335 | 6.9480 | 68.1405 | 354.1467 | 13.78085 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 07:51:44 | 82.9180 | 0.00335 | 6.9480 | 68.1405 | 354.1467 | 13.78085 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 07:51:44 | 82.9180 | 0.00335 | 6.9480 | 68.1405 | 354.1467 | 13.78085 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 07:51:44 | 82.9180 | 0.00335 | 6.9480 | 68.1405 | 354.1467 | 13.78085 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:18:43 | 82.9173 | 0.00337 | 7.2044 | 82.0702 | 354.1467 | 13.78085 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:18:43 | 82.9173 | 0.00337 | 7.2044 | 82.0702 | 354.1467 | 13.78085 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 04:18:43 | 82.9173 | 0.00337 | 7.2044 | 82.0702 | 354.1467 | 13.78085 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:18:43 | 82.9173 | 0.00337 | 7.2044 | 82.0702 | 354.1467 | 13.78085 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 15:29:51 | 82.9163 | 0.00337 | 7.7790 | 113.1775 | 354.1467 | 13.78085 | – |
| 2025 Nov 16 18:58 | 2025 Nov 08 15:29:51 | 82.9163 | 0.00337 | 7.7790 | 113.1775 | 354.1467 | 13.78085 | – |
| 2025 Nov 15 18:57 | 2025 Nov 08 15:29:51 | 82.9163 | 0.00337 | 7.7790 | 113.1775 | 354.1467 | 13.78085 | – |
| 2025 Nov 13 18:56 | 2025 Nov 08 15:29:51 | 82.9163 | 0.00337 | 7.7790 | 113.1775 | 354.1467 | 13.78085 | – |
| 2025 Nov 12 18:57 | 2025 Nov 08 15:29:51 | 82.9163 | 0.00337 | 7.7790 | 113.1775 | 354.1467 | 13.78085 | – |