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 | 21157 |
| 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 31 18:57 | 2025 Dec 31 14:31:17 | 73.9480 | 0.01740 | 11.9788 | 122.9519 | 305.6519 | 12.24125 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 07:38:48 | 73.9476 | 0.01741 | 12.4273 | 130.5043 | 305.6519 | 12.24125 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 07:38:48 | 73.9476 | 0.01741 | 12.4273 | 130.5043 | 305.6519 | 12.24125 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 07:38:48 | 73.9476 | 0.01741 | 12.4273 | 130.5043 | 305.6519 | 12.24125 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 07:38:48 | 73.9476 | 0.01741 | 12.4273 | 130.5043 | 305.6519 | 12.24125 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 07:38:48 | 73.9476 | 0.01741 | 12.4273 | 130.5043 | 305.6519 | 12.24125 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 00:29:14 | 73.9479 | 0.01742 | 12.9616 | 139.4962 | 305.6519 | 12.24125 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 00:29:14 | 73.9479 | 0.01742 | 12.9616 | 139.4962 | 305.6519 | 12.24125 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 00:29:14 | 73.9479 | 0.01742 | 12.9616 | 139.4962 | 305.6519 | 12.24125 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 00:29:14 | 73.9479 | 0.01742 | 12.9616 | 139.4962 | 305.6519 | 12.24125 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 00:29:14 | 73.9479 | 0.01742 | 12.9616 | 139.4962 | 305.6519 | 12.24125 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 00:29:14 | 73.9479 | 0.01742 | 12.9616 | 139.4962 | 305.6519 | 12.24125 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 02:16:24 | 73.9487 | 0.01743 | 13.6339 | 150.8121 | 305.6519 | 12.24125 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:37:23 | 73.9495 | 0.01743 | 14.0568 | 157.9196 | 305.6519 | 12.24125 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:37:23 | 73.9495 | 0.01743 | 14.0568 | 157.9196 | 305.6519 | 12.24125 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:37:23 | 73.9495 | 0.01743 | 14.0568 | 157.9196 | 305.6519 | 12.24125 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:37:23 | 73.9495 | 0.01743 | 14.0568 | 157.9196 | 305.6519 | 12.24125 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:37:23 | 73.9495 | 0.01743 | 14.0568 | 157.9196 | 305.6519 | 12.24125 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 02:59:30 | 73.9500 | 0.01744 | 14.4796 | 165.0207 | 305.6519 | 12.24125 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 02:59:30 | 73.9500 | 0.01744 | 14.4796 | 165.0207 | 305.6519 | 12.24125 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 02:59:30 | 73.9500 | 0.01744 | 14.4796 | 165.0207 | 305.6519 | 12.24125 | – |