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 | 21187 |
| 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 Feb 05 18:58 | 2026 Feb 02 07:00:48 | 74.2467 | 0.01793 | 10.6497 | 236.4356 | 145.3329 | 12.09400 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 07:00:48 | 74.2467 | 0.01793 | 10.6497 | 236.4356 | 145.3329 | 12.09400 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 07:00:48 | 74.2467 | 0.01793 | 10.6497 | 236.4356 | 145.3329 | 12.09400 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 07:00:48 | 74.2467 | 0.01793 | 10.6497 | 236.4356 | 145.3329 | 12.09400 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 18:45:06 | 74.2455 | 0.01792 | 11.0960 | 244.1813 | 145.3329 | 12.09400 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 18:45:06 | 74.2455 | 0.01792 | 11.0960 | 244.1813 | 145.3329 | 12.09400 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 18:45:06 | 74.2455 | 0.01792 | 11.0960 | 244.1813 | 145.3329 | 12.09400 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 18:45:06 | 74.2455 | 0.01792 | 11.0960 | 244.1813 | 145.3329 | 12.09400 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 18:45:06 | 74.2455 | 0.01792 | 11.0960 | 244.1813 | 145.3329 | 12.09400 | – |
| 2026 Jan 27 18:56 | 2026 Jan 20 09:22:01 | 74.2433 | 0.01791 | 11.6946 | 254.5792 | 145.3329 | 12.09400 | – |
| 2026 Jan 26 18:57 | 2026 Jan 20 09:22:01 | 74.2433 | 0.01791 | 11.6946 | 254.5792 | 145.3329 | 12.09400 | – |
| 2026 Jan 25 18:57 | 2026 Jan 20 09:22:01 | 74.2433 | 0.01791 | 11.6946 | 254.5792 | 145.3329 | 12.09400 | – |
| 2026 Jan 24 18:58 | 2026 Jan 20 09:22:01 | 74.2433 | 0.01791 | 11.6946 | 254.5792 | 145.3329 | 12.09400 | – |