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 | 21172 |
| 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 |
| 2026 Apr 28 17:56 | 2026 Apr 24 03:32:00 | 74.0380 | 0.01331 | 0.8264 | 82.9659 | 70.2566 | 12.27724 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 03:32:00 | 74.0380 | 0.01331 | 0.8264 | 82.9659 | 70.2566 | 12.27724 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 03:32:00 | 74.0380 | 0.01331 | 0.8264 | 82.9659 | 70.2566 | 12.27724 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 03:32:00 | 74.0380 | 0.01331 | 0.8264 | 82.9659 | 70.2566 | 12.27724 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 03:32:00 | 74.0380 | 0.01331 | 0.8264 | 82.9659 | 70.2566 | 12.27724 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 04:14:01 | 74.0380 | 0.01330 | 1.2486 | 90.1671 | 70.2566 | 12.27724 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 04:14:01 | 74.0380 | 0.01330 | 1.2486 | 90.1671 | 70.2566 | 12.27724 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 04:14:01 | 74.0380 | 0.01330 | 1.2486 | 90.1671 | 70.2566 | 12.27724 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 04:14:01 | 74.0380 | 0.01330 | 1.2486 | 90.1671 | 70.2566 | 12.27724 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 04:14:01 | 74.0380 | 0.01330 | 1.2486 | 90.1671 | 70.2566 | 12.27724 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 05:29:18 | 74.0378 | 0.01330 | 1.7538 | 98.7884 | 70.2566 | 12.27724 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 05:29:18 | 74.0378 | 0.01330 | 1.7538 | 98.7884 | 70.2566 | 12.27724 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 05:29:18 | 74.0378 | 0.01330 | 1.7538 | 98.7884 | 70.2566 | 12.27724 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 05:29:18 | 74.0378 | 0.01330 | 1.7538 | 98.7884 | 70.2566 | 12.27724 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 06:12:16 | 74.0374 | 0.01330 | 2.1760 | 105.9995 | 70.2566 | 12.27724 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 06:12:16 | 74.0374 | 0.01330 | 2.1760 | 105.9995 | 70.2566 | 12.27724 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 06:12:16 | 74.0374 | 0.01330 | 2.1760 | 105.9995 | 70.2566 | 12.27724 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 06:12:16 | 74.0374 | 0.01330 | 2.1760 | 105.9995 | 70.2566 | 12.27724 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 06:12:16 | 74.0374 | 0.01330 | 2.1760 | 105.9995 | 70.2566 | 12.27724 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:28:07 | 74.0363 | 0.01329 | 2.6812 | 114.6325 | 70.2566 | 12.27724 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:28:07 | 74.0363 | 0.01329 | 2.6812 | 114.6325 | 70.2566 | 12.27724 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:28:07 | 74.0363 | 0.01329 | 2.6812 | 114.6325 | 70.2566 | 12.27724 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:28:07 | 74.0363 | 0.01329 | 2.6812 | 114.6325 | 70.2566 | 12.27724 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 07:28:07 | 74.0363 | 0.01329 | 2.6812 | 114.6325 | 70.2566 | 12.27724 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 07:28:07 | 74.0363 | 0.01329 | 2.6812 | 114.6325 | 70.2566 | 12.27724 | – |