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 | 21401 |
| 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 30 02:50:52 | 74.1323 | 0.01434 | 15.6333 | 166.0685 | 320.5366 | 12.16984 | – |
| 2025 Dec 30 18:56 | 2025 Dec 25 15:47:44 | 74.1329 | 0.01434 | 16.0023 | 172.4746 | 320.5366 | 12.16984 | – |
| 2025 Dec 29 18:56 | 2025 Dec 25 15:47:44 | 74.1329 | 0.01434 | 16.0023 | 172.4746 | 320.5366 | 12.16984 | – |
| 2025 Dec 28 18:57 | 2025 Dec 25 15:47:44 | 74.1329 | 0.01434 | 16.0023 | 172.4746 | 320.5366 | 12.16984 | – |
| 2025 Dec 27 18:57 | 2025 Dec 25 15:47:44 | 74.1329 | 0.01434 | 16.0023 | 172.4746 | 320.5366 | 12.16984 | – |
| 2025 Dec 26 18:56 | 2025 Dec 25 15:47:44 | 74.1329 | 0.01434 | 16.0023 | 172.4746 | 320.5366 | 12.16984 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 17:45:51 | 74.1338 | 0.01435 | 16.4919 | 180.9194 | 320.5366 | 12.16984 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 17:45:51 | 74.1338 | 0.01435 | 16.4919 | 180.9194 | 320.5366 | 12.16984 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 17:45:51 | 74.1338 | 0.01435 | 16.4919 | 180.9194 | 320.5366 | 12.16984 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 17:45:51 | 74.1338 | 0.01435 | 16.4919 | 180.9194 | 320.5366 | 12.16984 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 17:45:51 | 74.1338 | 0.01435 | 16.4919 | 180.9194 | 320.5366 | 12.16984 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 17:45:51 | 74.1338 | 0.01435 | 16.4919 | 180.9194 | 320.5366 | 12.16984 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:56:30 | 74.1344 | 0.01438 | 17.1152 | 191.7788 | 320.5366 | 12.16984 | – |
| 2025 Dec 11 18:56 | 2025 Dec 05 05:15:23 | 74.1347 | 0.01440 | 17.6932 | 201.7861 | 320.5366 | 12.16984 | – |
| 2025 Dec 10 18:56 | 2025 Dec 05 05:15:23 | 74.1347 | 0.01440 | 17.6932 | 201.7861 | 320.5366 | 12.16984 | – |
| 2025 Dec 09 18:56 | 2025 Dec 05 05:15:23 | 74.1347 | 0.01440 | 17.6932 | 201.7861 | 320.5366 | 12.16984 | – |
| 2025 Dec 08 18:56 | 2025 Dec 05 05:15:23 | 74.1347 | 0.01440 | 17.6932 | 201.7861 | 320.5366 | 12.16984 | – |
| 2025 Dec 07 18:56 | 2025 Dec 05 05:15:23 | 74.1347 | 0.01440 | 17.6932 | 201.7861 | 320.5366 | 12.16984 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 06:03:49 | 74.1341 | 0.01441 | 17.9387 | 206.0283 | 320.5366 | 12.16984 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 06:03:49 | 74.1341 | 0.01441 | 17.9387 | 206.0283 | 320.5366 | 12.16984 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 06:03:49 | 74.1341 | 0.01441 | 17.9387 | 206.0283 | 320.5366 | 12.16984 | – |