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 | 21209 |
| 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 Apr 28 17:56 | 2026 Apr 24 13:16:32 | 74.0351 | 0.01350 | 9.3398 | 227.9333 | 252.7412 | 12.23759 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 13:16:32 | 74.0351 | 0.01350 | 9.3398 | 227.9333 | 252.7412 | 12.23759 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 13:16:32 | 74.0351 | 0.01350 | 9.3398 | 227.9333 | 252.7412 | 12.23759 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 13:16:32 | 74.0351 | 0.01350 | 9.3398 | 227.9333 | 252.7412 | 12.23759 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 13:16:32 | 74.0351 | 0.01350 | 9.3398 | 227.9333 | 252.7412 | 12.23759 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 01:20:09 | 74.0361 | 0.01350 | 9.8033 | 235.7691 | 252.7412 | 12.23759 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 01:20:09 | 74.0361 | 0.01350 | 9.8033 | 235.7691 | 252.7412 | 12.23759 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 01:20:09 | 74.0361 | 0.01350 | 9.8033 | 235.7691 | 252.7412 | 12.23759 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 01:20:09 | 74.0361 | 0.01350 | 9.8033 | 235.7691 | 252.7412 | 12.23759 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 01:20:09 | 74.0361 | 0.01350 | 9.8033 | 235.7691 | 252.7412 | 12.23759 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 06:15:31 | 74.0370 | 0.01350 | 10.2918 | 244.0218 | 252.7412 | 12.23759 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 06:15:31 | 74.0370 | 0.01350 | 10.2918 | 244.0218 | 252.7412 | 12.23759 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 06:15:31 | 74.0370 | 0.01350 | 10.2918 | 244.0218 | 252.7412 | 12.23759 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 06:15:31 | 74.0370 | 0.01350 | 10.2918 | 244.0218 | 252.7412 | 12.23759 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:55:06 | 74.0380 | 0.01349 | 10.6829 | 250.6256 | 252.7412 | 12.23759 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:55:06 | 74.0380 | 0.01349 | 10.6829 | 250.6256 | 252.7412 | 12.23759 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:55:06 | 74.0380 | 0.01349 | 10.6829 | 250.6256 | 252.7412 | 12.23759 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:55:06 | 74.0380 | 0.01349 | 10.6829 | 250.6256 | 252.7412 | 12.23759 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:55:06 | 74.0380 | 0.01349 | 10.6829 | 250.6256 | 252.7412 | 12.23759 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:23:32 | 74.0387 | 0.01349 | 11.2221 | 259.7451 | 252.7412 | 12.23759 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 05:23:32 | 74.0387 | 0.01349 | 11.2221 | 259.7451 | 252.7412 | 12.23759 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 05:23:32 | 74.0387 | 0.01349 | 11.2221 | 259.7451 | 252.7412 | 12.23759 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:23:32 | 74.0387 | 0.01349 | 11.2221 | 259.7451 | 252.7412 | 12.23759 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:23:32 | 74.0387 | 0.01349 | 11.2221 | 259.7451 | 252.7412 | 12.23759 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:23:32 | 74.0387 | 0.01349 | 11.2221 | 259.7451 | 252.7412 | 12.23759 | – |