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 | 21154 |
| 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 May 23 17:56 | 2025 May 21 08:23:26 | 74.2595 | 0.01948 | 0.1167 | 154.5153 | 206.5633 | 12.01319 | – |
| 2025 May 22 17:56 | 2025 May 21 08:23:26 | 74.2595 | 0.01948 | 0.1167 | 154.5153 | 206.5633 | 12.01319 | – |
| 2025 May 21 17:56 | 2025 May 21 08:23:26 | 74.2595 | 0.01948 | 0.1167 | 154.5153 | 206.5633 | 12.01319 | – |
| 2025 May 20 17:56 | 2025 May 14 18:30:41 | 74.2602 | 0.01946 | 0.6409 | 163.7346 | 206.5633 | 12.01319 | – |
| 2025 May 19 17:56 | 2025 May 14 18:30:41 | 74.2602 | 0.01946 | 0.6409 | 163.7346 | 206.5633 | 12.01319 | – |
| 2025 May 18 17:57 | 2025 May 14 18:30:41 | 74.2602 | 0.01946 | 0.6409 | 163.7346 | 206.5633 | 12.01319 | – |
| 2025 May 17 17:57 | 2025 May 14 18:30:41 | 74.2602 | 0.01946 | 0.6409 | 163.7346 | 206.5633 | 12.01319 | – |
| 2025 May 16 17:56 | 2025 May 14 18:30:41 | 74.2602 | 0.01946 | 0.6409 | 163.7346 | 206.5633 | 12.01319 | – |
| 2025 May 15 17:57 | 2025 May 14 18:30:41 | 74.2602 | 0.01946 | 0.6409 | 163.7346 | 206.5633 | 12.01319 | – |
| 2025 May 14 17:56 | 2025 May 09 02:36:53 | 74.2608 | 0.01945 | 1.0920 | 171.6920 | 206.5633 | 12.01319 | – |
| 2025 May 13 17:56 | 2025 May 09 02:36:53 | 74.2608 | 0.01945 | 1.0920 | 171.6920 | 206.5633 | 12.01319 | – |
| 2025 May 12 17:56 | 2025 May 09 02:36:53 | 74.2608 | 0.01945 | 1.0920 | 171.6920 | 206.5633 | 12.01319 | – |
| 2025 May 11 17:56 | 2025 May 09 02:36:53 | 74.2608 | 0.01945 | 1.0920 | 171.6920 | 206.5633 | 12.01319 | – |
| 2025 May 10 17:56 | 2025 May 09 02:36:53 | 74.2608 | 0.01945 | 1.0920 | 171.6920 | 206.5633 | 12.01319 | – |
| 2025 May 09 17:57 | 2025 May 09 02:36:53 | 74.2608 | 0.01945 | 1.0920 | 171.6920 | 206.5633 | 12.01319 | – |
| 2025 May 08 17:56 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 206.5633 | 12.01319 | – |
| 2025 May 07 17:56 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 206.5633 | 12.01319 | – |
| 2025 May 06 17:57 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 206.5633 | 12.01319 | – |
| 2025 May 05 17:56 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 206.5633 | 12.01319 | – |
| 2025 May 04 17:57 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 206.5633 | 12.01319 | – |
| 2025 May 03 17:57 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 206.5633 | 12.01319 | – |