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 |
| 2026 Feb 05 18:58 | 2026 Feb 02 11:59:18 | 74.0420 | 0.01512 | 3.8628 | 176.8738 | 305.0098 | 12.18046 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 11:59:18 | 74.0420 | 0.01512 | 3.8628 | 176.8738 | 305.0098 | 12.18046 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 11:59:18 | 74.0420 | 0.01512 | 3.8628 | 176.8738 | 305.0098 | 12.18046 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 11:59:18 | 74.0420 | 0.01512 | 3.8628 | 176.8738 | 305.0098 | 12.18046 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 20:16:19 | 74.0429 | 0.01513 | 4.3344 | 184.8892 | 305.0098 | 12.18046 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 20:16:19 | 74.0429 | 0.01513 | 4.3344 | 184.8892 | 305.0098 | 12.18046 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 20:16:19 | 74.0429 | 0.01513 | 4.3344 | 184.8892 | 305.0098 | 12.18046 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 20:16:19 | 74.0429 | 0.01513 | 4.3344 | 184.8892 | 305.0098 | 12.18046 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 20:16:19 | 74.0429 | 0.01513 | 4.3344 | 184.8892 | 305.0098 | 12.18046 | – |
| 2026 Jan 27 18:56 | 2026 Jan 22 11:53:03 | 74.0434 | 0.01514 | 4.7804 | 192.4537 | 305.0098 | 12.18046 | – |
| 2026 Jan 26 18:57 | 2026 Jan 22 11:53:03 | 74.0434 | 0.01514 | 4.7804 | 192.4537 | 305.0098 | 12.18046 | – |
| 2026 Jan 25 18:57 | 2026 Jan 22 11:53:03 | 74.0434 | 0.01514 | 4.7804 | 192.4537 | 305.0098 | 12.18046 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 11:53:03 | 74.0434 | 0.01514 | 4.7804 | 192.4537 | 305.0098 | 12.18046 | – |