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 May 18 17:57 | 2026 May 16 09:07:46 | 74.0436 | 0.01509 | 19.2863 | 30.6271 | 354.7257 | 12.18047 | – |
| 2026 May 17 17:57 | 2026 May 16 09:07:46 | 74.0436 | 0.01509 | 19.2863 | 30.6271 | 354.7257 | 12.18047 | – |
| 2026 May 16 17:56 | 2026 May 16 09:07:46 | 74.0436 | 0.01509 | 19.2863 | 30.6271 | 354.7257 | 12.18047 | – |
| 2026 May 15 17:57 | 2026 May 10 11:14:31 | 74.0434 | 0.01508 | 19.7792 | 39.0225 | 354.7257 | 12.18047 | – |
| 2026 May 14 17:58 | 2026 May 10 11:14:31 | 74.0434 | 0.01508 | 19.7792 | 39.0225 | 354.7257 | 12.18047 | – |
| 2026 May 13 17:58 | 2026 May 10 11:14:31 | 74.0434 | 0.01508 | 19.7792 | 39.0225 | 354.7257 | 12.18047 | – |
| 2026 May 12 17:58 | 2026 May 10 11:14:31 | 74.0434 | 0.01508 | 19.7792 | 39.0225 | 354.7257 | 12.18047 | – |
| 2026 May 11 17:56 | 2026 May 10 11:14:31 | 74.0434 | 0.01508 | 19.7792 | 39.0225 | 354.7257 | 12.18047 | – |
| 2026 May 10 17:57 | 2026 May 10 11:14:31 | 74.0434 | 0.01508 | 19.7792 | 39.0225 | 354.7257 | 12.18047 | – |
| 2026 May 09 17:57 | 2026 May 05 10:56:05 | 74.0435 | 0.01508 | 20.1972 | 46.1457 | 354.7257 | 12.18047 | – |
| 2026 May 08 17:57 | 2026 May 05 10:56:05 | 74.0435 | 0.01508 | 20.1972 | 46.1457 | 354.7257 | 12.18047 | – |
| 2026 May 07 17:58 | 2026 May 05 10:56:05 | 74.0435 | 0.01508 | 20.1972 | 46.1457 | 354.7257 | 12.18047 | – |
| 2026 May 06 17:57 | 2026 May 05 10:56:05 | 74.0435 | 0.01508 | 20.1972 | 46.1457 | 354.7257 | 12.18047 | – |
| 2026 May 05 17:57 | 2026 May 05 10:56:05 | 74.0435 | 0.01508 | 20.1972 | 46.1457 | 354.7257 | 12.18047 | – |
| 2026 May 04 17:57 | 2026 Apr 30 12:47:06 | 74.0435 | 0.01507 | 20.6077 | 53.1392 | 354.7257 | 12.18047 | – |
| 2026 May 03 17:57 | 2026 Apr 30 12:47:06 | 74.0435 | 0.01507 | 20.6077 | 53.1392 | 354.7257 | 12.18047 | – |
| 2026 May 02 17:57 | 2026 Apr 30 12:47:06 | 74.0435 | 0.01507 | 20.6077 | 53.1392 | 354.7257 | 12.18047 | – |
| 2026 May 01 17:56 | 2026 Apr 30 12:47:06 | 74.0435 | 0.01507 | 20.6077 | 53.1392 | 354.7257 | 12.18047 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 12:47:06 | 74.0435 | 0.01507 | 20.6077 | 53.1392 | 354.7257 | 12.18047 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 01:47:29 | 74.0442 | 0.01507 | 21.1461 | 62.3221 | 354.7257 | 12.18047 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 01:47:29 | 74.0442 | 0.01507 | 21.1461 | 62.3221 | 354.7257 | 12.18047 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 01:47:29 | 74.0442 | 0.01507 | 21.1461 | 62.3221 | 354.7257 | 12.18047 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 01:47:29 | 74.0442 | 0.01507 | 21.1461 | 62.3221 | 354.7257 | 12.18047 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 01:47:29 | 74.0442 | 0.01507 | 21.1461 | 62.3221 | 354.7257 | 12.18047 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 01:47:29 | 74.0442 | 0.01507 | 21.1461 | 62.3221 | 354.7257 | 12.18047 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 01:29:04 | 74.0449 | 0.01506 | 21.5640 | 69.4499 | 354.7257 | 12.18047 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 01:29:04 | 74.0449 | 0.01506 | 21.5640 | 69.4499 | 354.7257 | 12.18047 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 01:29:04 | 74.0449 | 0.01506 | 21.5640 | 69.4499 | 354.7257 | 12.18047 | – |