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 | 21159 |
| 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 Aug 31 17:56 | 2025 Aug 27 22:28:53 | 73.9417 | 0.01437 | 12.3190 | 142.5395 | 293.8200 | 12.29080 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:28:53 | 73.9417 | 0.01437 | 12.3190 | 142.5395 | 293.8200 | 12.29080 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:28:53 | 73.9417 | 0.01437 | 12.3190 | 142.5395 | 293.8200 | 12.29080 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:28:53 | 73.9417 | 0.01437 | 12.3190 | 142.5395 | 293.8200 | 12.29080 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 05:25:21 | 73.9415 | 0.01438 | 12.7225 | 149.3386 | 293.8200 | 12.29080 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 05:25:21 | 73.9415 | 0.01438 | 12.7225 | 149.3386 | 293.8200 | 12.29080 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 05:25:21 | 73.9415 | 0.01438 | 12.7225 | 149.3386 | 293.8200 | 12.29080 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 05:25:21 | 73.9415 | 0.01438 | 12.7225 | 149.3386 | 293.8200 | 12.29080 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 05:25:21 | 73.9415 | 0.01438 | 12.7225 | 149.3386 | 293.8200 | 12.29080 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:10:18 | 73.9407 | 0.01438 | 13.1766 | 156.9811 | 293.8200 | 12.29080 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:10:18 | 73.9407 | 0.01438 | 13.1766 | 156.9811 | 293.8200 | 12.29080 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:10:18 | 73.9407 | 0.01438 | 13.1766 | 156.9811 | 293.8200 | 12.29080 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 22:10:18 | 73.9407 | 0.01438 | 13.1766 | 156.9811 | 293.8200 | 12.29080 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 16:20:29 | 73.9394 | 0.01439 | 13.7114 | 165.9608 | 293.8200 | 12.29080 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 16:20:29 | 73.9394 | 0.01439 | 13.7114 | 165.9608 | 293.8200 | 12.29080 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 16:20:29 | 73.9394 | 0.01439 | 13.7114 | 165.9608 | 293.8200 | 12.29080 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 16:20:29 | 73.9394 | 0.01439 | 13.7114 | 165.9608 | 293.8200 | 12.29080 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 16:20:29 | 73.9394 | 0.01439 | 13.7114 | 165.9608 | 293.8200 | 12.29080 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 18:34:00 | 73.9389 | 0.01440 | 14.1318 | 173.0241 | 293.8200 | 12.29080 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 18:34:00 | 73.9389 | 0.01440 | 14.1318 | 173.0241 | 293.8200 | 12.29080 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 18:34:00 | 73.9389 | 0.01440 | 14.1318 | 173.0241 | 293.8200 | 12.29080 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 18:34:00 | 73.9389 | 0.01440 | 14.1318 | 173.0241 | 293.8200 | 12.29080 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 18:34:00 | 73.9389 | 0.01440 | 14.1318 | 173.0241 | 293.8200 | 12.29080 | – |
| 2025 Aug 05 17:56 | 2025 Aug 01 09:55:58 | 73.9384 | 0.01441 | 14.5910 | 180.7228 | 293.8200 | 12.29080 | – |
| 2025 Aug 04 17:56 | 2025 Aug 01 09:55:58 | 73.9384 | 0.01441 | 14.5910 | 180.7228 | 293.8200 | 12.29080 | – |