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 08 17:56 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 180.4579 | 12.01315 | – |
| 2025 May 07 17:56 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 180.4579 | 12.01315 | – |
| 2025 May 06 17:57 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 180.4579 | 12.01315 | – |
| 2025 May 05 17:56 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 180.4579 | 12.01315 | – |
| 2025 May 04 17:57 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 180.4579 | 12.01315 | – |
| 2025 May 03 17:57 | 2025 May 03 10:43:05 | 74.2610 | 0.01944 | 1.5432 | 179.6612 | 180.4579 | 12.01315 | – |
| 2025 Apr 21 17:57 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 20 17:56 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 19 17:56 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 18 17:57 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 17 17:56 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 16 17:57 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 15 17:56 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 14 17:56 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |
| 2025 Apr 11 17:57 | 2025 Apr 08 08:03:05 | 74.2585 | 0.01949 | 3.5441 | 214.9712 | 180.4579 | 12.01315 | – |