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 | 21154 |
| 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 25 18:57 | 2025 Dec 20 00:24:35 | 74.2576 | 0.01936 | 7.1695 | 219.2160 | 139.4703 | 12.01325 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 00:24:35 | 74.2576 | 0.01936 | 7.1695 | 219.2160 | 139.4703 | 12.01325 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 00:24:35 | 74.2576 | 0.01936 | 7.1695 | 219.2160 | 139.4703 | 12.01325 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 00:24:35 | 74.2576 | 0.01936 | 7.1695 | 219.2160 | 139.4703 | 12.01325 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 00:24:35 | 74.2576 | 0.01936 | 7.1695 | 219.2160 | 139.4703 | 12.01325 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 00:24:35 | 74.2576 | 0.01936 | 7.1695 | 219.2160 | 139.4703 | 12.01325 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 14:33:55 | 74.2567 | 0.01935 | 7.8396 | 230.7838 | 139.4703 | 12.01325 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 08:39:46 | 74.2560 | 0.01934 | 8.2577 | 238.0152 | 139.4703 | 12.01325 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 08:39:46 | 74.2560 | 0.01934 | 8.2577 | 238.0152 | 139.4703 | 12.01325 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 08:39:46 | 74.2560 | 0.01934 | 8.2577 | 238.0152 | 139.4703 | 12.01325 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 08:39:46 | 74.2560 | 0.01934 | 8.2577 | 238.0152 | 139.4703 | 12.01325 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 08:39:46 | 74.2560 | 0.01934 | 8.2577 | 238.0152 | 139.4703 | 12.01325 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:44:07 | 74.2555 | 0.01933 | 8.5696 | 243.4244 | 139.4703 | 12.01325 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:44:07 | 74.2555 | 0.01933 | 8.5696 | 243.4244 | 139.4703 | 12.01325 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:44:07 | 74.2555 | 0.01933 | 8.5696 | 243.4244 | 139.4703 | 12.01325 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:44:07 | 74.2555 | 0.01933 | 8.5696 | 243.4244 | 139.4703 | 12.01325 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:44:07 | 74.2555 | 0.01933 | 8.5696 | 243.4244 | 139.4703 | 12.01325 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 10:51:54 | 74.2546 | 0.01932 | 9.1270 | 253.1172 | 139.4703 | 12.01325 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 10:51:54 | 74.2546 | 0.01932 | 9.1270 | 253.1172 | 139.4703 | 12.01325 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 10:51:54 | 74.2546 | 0.01932 | 9.1270 | 253.1172 | 139.4703 | 12.01325 | – |