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 | 21157 |
| 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 01 17:56 | 2026 Apr 30 12:12:22 | 73.9547 | 0.01748 | 1.8074 | 311.9543 | 222.7871 | 12.24125 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 12:12:22 | 73.9547 | 0.01748 | 1.8074 | 311.9543 | 222.7871 | 12.24125 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 05:04:26 | 73.9544 | 0.01748 | 2.3415 | 320.9047 | 222.7871 | 12.24125 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 05:04:26 | 73.9544 | 0.01748 | 2.3415 | 320.9047 | 222.7871 | 12.24125 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 05:04:26 | 73.9544 | 0.01748 | 2.3415 | 320.9047 | 222.7871 | 12.24125 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 05:04:26 | 73.9544 | 0.01748 | 2.3415 | 320.9047 | 222.7871 | 12.24125 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 05:04:26 | 73.9544 | 0.01748 | 2.3415 | 320.9047 | 222.7871 | 12.24125 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 05:04:26 | 73.9544 | 0.01748 | 2.3415 | 320.9047 | 222.7871 | 12.24125 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 13:24:03 | 73.9537 | 0.01748 | 2.7362 | 327.5124 | 222.7871 | 12.24125 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 13:24:03 | 73.9537 | 0.01748 | 2.7362 | 327.5124 | 222.7871 | 12.24125 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 13:24:03 | 73.9537 | 0.01748 | 2.7362 | 327.5124 | 222.7871 | 12.24125 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 13:24:03 | 73.9537 | 0.01748 | 2.7362 | 327.5124 | 222.7871 | 12.24125 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 13:24:03 | 73.9537 | 0.01748 | 2.7362 | 327.5124 | 222.7871 | 12.24125 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 06:15:58 | 73.9525 | 0.01747 | 3.2704 | 336.4586 | 222.7871 | 12.24125 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 06:15:58 | 73.9525 | 0.01747 | 3.2704 | 336.4586 | 222.7871 | 12.24125 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 06:15:58 | 73.9525 | 0.01747 | 3.2704 | 336.4586 | 222.7871 | 12.24125 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 06:15:58 | 73.9525 | 0.01747 | 3.2704 | 336.4586 | 222.7871 | 12.24125 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:35:53 | 73.9515 | 0.01747 | 3.6651 | 343.0635 | 222.7871 | 12.24125 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:35:53 | 73.9515 | 0.01747 | 3.6651 | 343.0635 | 222.7871 | 12.24125 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:35:53 | 73.9515 | 0.01747 | 3.6651 | 343.0635 | 222.7871 | 12.24125 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:35:53 | 73.9515 | 0.01747 | 3.6651 | 343.0635 | 222.7871 | 12.24125 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:35:53 | 73.9515 | 0.01747 | 3.6651 | 343.0635 | 222.7871 | 12.24125 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:28:11 | 73.9501 | 0.01746 | 4.1993 | 352.0128 | 222.7871 | 12.24125 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:28:11 | 73.9501 | 0.01746 | 4.1993 | 352.0128 | 222.7871 | 12.24125 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:28:11 | 73.9501 | 0.01746 | 4.1993 | 352.0128 | 222.7871 | 12.24125 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:28:11 | 73.9501 | 0.01746 | 4.1993 | 352.0128 | 222.7871 | 12.24125 | – |