Orbital elements of SL-8 DEB
| Launched | 4 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21257 |
| 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 Sep 15 17:56 | 2025 Sep 15 04:44:16 | 82.9224 | 0.00314 | 10.4906 | 267.3556 | 246.7837 | 13.78030 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:12:17 | 82.9230 | 0.00318 | 11.0869 | 302.3042 | 246.7837 | 13.78030 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 19:25:06 | 82.9226 | 0.00322 | 11.4058 | 320.7371 | 246.7837 | 13.78030 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 19:25:06 | 82.9226 | 0.00322 | 11.4058 | 320.7371 | 246.7837 | 13.78030 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 19:25:06 | 82.9226 | 0.00322 | 11.4058 | 320.7371 | 246.7837 | 13.78030 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 19:25:06 | 82.9226 | 0.00322 | 11.4058 | 320.7371 | 246.7837 | 13.78030 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 19:25:06 | 82.9226 | 0.00322 | 11.4058 | 320.7371 | 246.7837 | 13.78030 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 19:25:06 | 82.9226 | 0.00322 | 11.4058 | 320.7371 | 246.7837 | 13.78030 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 07:39:24 | 82.9224 | 0.00325 | 11.6293 | 333.5367 | 246.7837 | 13.78030 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 07:39:24 | 82.9224 | 0.00325 | 11.6293 | 333.5367 | 246.7837 | 13.78030 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 07:39:24 | 82.9224 | 0.00325 | 11.6293 | 333.5367 | 246.7837 | 13.78030 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 07:39:24 | 82.9224 | 0.00325 | 11.6293 | 333.5367 | 246.7837 | 13.78030 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 07:39:24 | 82.9224 | 0.00325 | 11.6293 | 333.5367 | 246.7837 | 13.78030 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 15:23:15 | 82.9218 | 0.00330 | 11.9118 | 349.5025 | 246.7837 | 13.78030 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 15:23:15 | 82.9218 | 0.00330 | 11.9118 | 349.5025 | 246.7837 | 13.78030 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 15:23:15 | 82.9218 | 0.00330 | 11.9118 | 349.5025 | 246.7837 | 13.78030 | – |