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 | 21158 |
| 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 06:47:24 | 74.0979 | 0.01424 | 16.1005 | 261.4770 | 215.5340 | 12.13953 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 06:47:24 | 74.0979 | 0.01424 | 16.1005 | 261.4770 | 215.5340 | 12.13953 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 06:47:24 | 74.0979 | 0.01424 | 16.1005 | 261.4770 | 215.5340 | 12.13953 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 06:47:24 | 74.0979 | 0.01424 | 16.1005 | 261.4770 | 215.5340 | 12.13953 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 08:47:58 | 74.0982 | 0.01425 | 16.5882 | 269.8016 | 215.5340 | 12.13953 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 08:47:58 | 74.0982 | 0.01425 | 16.5882 | 269.8016 | 215.5340 | 12.13953 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 08:47:58 | 74.0982 | 0.01425 | 16.5882 | 269.8016 | 215.5340 | 12.13953 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 08:47:58 | 74.0982 | 0.01425 | 16.5882 | 269.8016 | 215.5340 | 12.13953 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 08:47:58 | 74.0982 | 0.01425 | 16.5882 | 269.8016 | 215.5340 | 12.13953 | – |
| 2026 Jan 27 18:56 | 2026 Jan 22 01:49:31 | 74.0992 | 0.01425 | 17.0243 | 277.2397 | 215.5340 | 12.13953 | – |
| 2026 Jan 26 18:57 | 2026 Jan 22 01:49:31 | 74.0992 | 0.01425 | 17.0243 | 277.2397 | 215.5340 | 12.13953 | – |
| 2026 Jan 25 18:57 | 2026 Jan 22 01:49:31 | 74.0992 | 0.01425 | 17.0243 | 277.2397 | 215.5340 | 12.13953 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 01:49:31 | 74.0992 | 0.01425 | 17.0243 | 277.2397 | 215.5340 | 12.13953 | – |