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 | 21958 |
| 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 30 17:56 | 2025 Aug 25 22:21:23 | 73.9614 | 0.01335 | 15.0894 | 208.5133 | 180.4438 | 12.16798 | – |
| 2025 Aug 29 17:56 | 2025 Aug 25 22:21:23 | 73.9614 | 0.01335 | 15.0894 | 208.5133 | 180.4438 | 12.16798 | – |
| 2025 Aug 28 17:57 | 2025 Aug 25 22:21:23 | 73.9614 | 0.01335 | 15.0894 | 208.5133 | 180.4438 | 12.16798 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 10:12:14 | 73.9611 | 0.01336 | 15.3824 | 213.4431 | 180.4438 | 12.16798 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 10:12:14 | 73.9611 | 0.01336 | 15.3824 | 213.4431 | 180.4438 | 12.16798 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 10:12:14 | 73.9611 | 0.01336 | 15.3824 | 213.4431 | 180.4438 | 12.16798 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 10:12:14 | 73.9611 | 0.01336 | 15.3824 | 213.4431 | 180.4438 | 12.16798 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 10:12:14 | 73.9611 | 0.01336 | 15.3824 | 213.4431 | 180.4438 | 12.16798 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 11:50:18 | 73.9604 | 0.01336 | 15.7945 | 220.3582 | 180.4438 | 12.16798 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 11:50:18 | 73.9604 | 0.01336 | 15.7945 | 220.3582 | 180.4438 | 12.16798 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 11:50:18 | 73.9604 | 0.01336 | 15.7945 | 220.3582 | 180.4438 | 12.16798 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 11:50:18 | 73.9604 | 0.01336 | 15.7945 | 220.3582 | 180.4438 | 12.16798 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 11:47:12 | 73.9607 | 0.01337 | 16.2962 | 228.7689 | 180.4438 | 12.16798 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 11:47:12 | 73.9607 | 0.01337 | 16.2962 | 228.7689 | 180.4438 | 12.16798 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 11:47:12 | 73.9607 | 0.01337 | 16.2962 | 228.7689 | 180.4438 | 12.16798 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 11:47:12 | 73.9607 | 0.01337 | 16.2962 | 228.7689 | 180.4438 | 12.16798 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 11:47:12 | 73.9607 | 0.01337 | 16.2962 | 228.7689 | 180.4438 | 12.16798 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 08:46:06 | 73.9612 | 0.01337 | 16.7246 | 235.9351 | 180.4438 | 12.16798 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 08:46:06 | 73.9612 | 0.01337 | 16.7246 | 235.9351 | 180.4438 | 12.16798 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 08:46:06 | 73.9612 | 0.01337 | 16.7246 | 235.9351 | 180.4438 | 12.16798 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 08:46:06 | 73.9612 | 0.01337 | 16.7246 | 235.9351 | 180.4438 | 12.16798 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 08:46:06 | 73.9612 | 0.01337 | 16.7246 | 235.9351 | 180.4438 | 12.16798 | – |
| 2025 Aug 05 17:56 | 2025 Aug 01 02:29:19 | 73.9621 | 0.01337 | 17.1643 | 243.2989 | 180.4438 | 12.16798 | – |
| 2025 Aug 04 17:56 | 2025 Aug 01 02:29:19 | 73.9621 | 0.01337 | 17.1643 | 243.2989 | 180.4438 | 12.16798 | – |
| 2025 Aug 03 17:56 | 2025 Aug 01 02:29:19 | 73.9621 | 0.01337 | 17.1643 | 243.2989 | 180.4438 | 12.16798 | – |