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 | 21187 |
| 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 May 18 17:57 | 2026 May 16 00:30:53 | 74.2465 | 0.01790 | 2.3287 | 91.1864 | 291.6264 | 12.09398 | – |
| 2026 May 17 17:57 | 2026 May 16 00:30:53 | 74.2465 | 0.01790 | 2.3287 | 91.1864 | 291.6264 | 12.09398 | – |
| 2026 May 16 17:56 | 2026 May 16 00:30:53 | 74.2465 | 0.01790 | 2.3287 | 91.1864 | 291.6264 | 12.09398 | – |
| 2026 May 15 17:57 | 2026 May 10 12:23:56 | 74.2463 | 0.01789 | 2.7746 | 98.9971 | 291.6264 | 12.09398 | – |
| 2026 May 14 17:58 | 2026 May 10 12:23:56 | 74.2463 | 0.01789 | 2.7746 | 98.9971 | 291.6264 | 12.09398 | – |
| 2026 May 13 17:58 | 2026 May 10 12:23:56 | 74.2463 | 0.01789 | 2.7746 | 98.9971 | 291.6264 | 12.09398 | – |
| 2026 May 12 17:58 | 2026 May 10 12:23:56 | 74.2463 | 0.01789 | 2.7746 | 98.9971 | 291.6264 | 12.09398 | – |
| 2026 May 11 17:56 | 2026 May 10 12:23:56 | 74.2463 | 0.01789 | 2.7746 | 98.9971 | 291.6264 | 12.09398 | – |
| 2026 May 10 17:57 | 2026 May 10 12:23:56 | 74.2463 | 0.01789 | 2.7746 | 98.9971 | 291.6264 | 12.09398 | – |
| 2026 May 09 17:57 | 2026 May 05 13:17:39 | 74.2460 | 0.01788 | 3.1765 | 106.0424 | 291.6264 | 12.09398 | – |
| 2026 May 08 17:57 | 2026 May 05 13:17:39 | 74.2460 | 0.01788 | 3.1765 | 106.0424 | 291.6264 | 12.09398 | – |
| 2026 May 07 17:58 | 2026 May 05 13:17:39 | 74.2460 | 0.01788 | 3.1765 | 106.0424 | 291.6264 | 12.09398 | – |
| 2026 May 06 17:57 | 2026 May 05 13:17:39 | 74.2460 | 0.01788 | 3.1765 | 106.0424 | 291.6264 | 12.09398 | – |
| 2026 May 05 17:57 | 2026 May 05 13:17:39 | 74.2460 | 0.01788 | 3.1765 | 106.0424 | 291.6264 | 12.09398 | – |
| 2026 May 04 17:57 | 2026 Apr 30 14:08:09 | 74.2458 | 0.01787 | 3.5787 | 113.0945 | 291.6264 | 12.09398 | – |
| 2026 May 03 17:57 | 2026 Apr 30 14:08:09 | 74.2458 | 0.01787 | 3.5787 | 113.0945 | 291.6264 | 12.09398 | – |
| 2026 May 02 17:57 | 2026 Apr 30 14:08:09 | 74.2458 | 0.01787 | 3.5787 | 113.0945 | 291.6264 | 12.09398 | – |
| 2026 May 01 17:56 | 2026 Apr 30 14:08:09 | 74.2458 | 0.01787 | 3.5787 | 113.0945 | 291.6264 | 12.09398 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:08:09 | 74.2458 | 0.01787 | 3.5787 | 113.0945 | 291.6264 | 12.09398 | – |
| 2026 Apr 29 17:57 | 2026 Apr 23 15:25:28 | 74.2454 | 0.01786 | 4.1413 | 122.9691 | 291.6264 | 12.09398 | – |
| 2026 Apr 28 17:56 | 2026 Apr 23 15:25:28 | 74.2454 | 0.01786 | 4.1413 | 122.9691 | 291.6264 | 12.09398 | – |
| 2026 Apr 27 17:58 | 2026 Apr 23 15:25:28 | 74.2454 | 0.01786 | 4.1413 | 122.9691 | 291.6264 | 12.09398 | – |
| 2026 Apr 26 17:58 | 2026 Apr 23 15:25:28 | 74.2454 | 0.01786 | 4.1413 | 122.9691 | 291.6264 | 12.09398 | – |
| 2026 Apr 25 17:58 | 2026 Apr 23 15:25:28 | 74.2454 | 0.01786 | 4.1413 | 122.9691 | 291.6264 | 12.09398 | – |
| 2026 Apr 24 17:59 | 2026 Apr 23 15:25:28 | 74.2454 | 0.01786 | 4.1413 | 122.9691 | 291.6264 | 12.09398 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 05:34:56 | 74.2454 | 0.01786 | 4.4985 | 129.2408 | 291.6264 | 12.09398 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 05:34:56 | 74.2454 | 0.01786 | 4.4985 | 129.2408 | 291.6264 | 12.09398 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 05:34:56 | 74.2454 | 0.01786 | 4.4985 | 129.2408 | 291.6264 | 12.09398 | – |