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 | 21172 |
| 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 Oct 15 17:56 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 10:07:07 | 74.0310 | 0.01335 | 17.7100 | 9.0210 | 143.9340 | 12.27719 | – |
| 2025 Oct 05 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Oct 04 17:57 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Oct 03 17:57 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Oct 02 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Sep 30 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Sep 29 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Sep 28 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Sep 27 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Sep 26 17:56 | 2025 Sep 26 03:47:38 | 74.0309 | 0.01333 | 18.6672 | 25.2844 | 143.9340 | 12.27719 | – |
| 2025 Sep 25 17:56 | 2025 Sep 19 19:50:03 | 74.0320 | 0.01332 | 19.2052 | 34.4520 | 143.9340 | 12.27719 | – |
| 2025 Sep 24 17:56 | 2025 Sep 19 19:50:03 | 74.0320 | 0.01332 | 19.2052 | 34.4520 | 143.9340 | 12.27719 | – |
| 2025 Sep 20 17:56 | 2025 Sep 19 19:50:03 | 74.0320 | 0.01332 | 19.2052 | 34.4520 | 143.9340 | 12.27719 | – |
| 2025 Sep 19 17:56 | 2025 Sep 15 01:37:42 | 74.0328 | 0.01331 | 19.6096 | 41.3459 | 143.9340 | 12.27719 | – |
| 2025 Sep 18 17:56 | 2025 Sep 15 01:37:42 | 74.0328 | 0.01331 | 19.6096 | 41.3459 | 143.9340 | 12.27719 | – |