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 | 21158 |
| 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 Aug 18 17:56 | 2026 Aug 12 12:38:22 | 74.1039 | 0.01424 | 0.3381 | 351.6028 | 75.5240 | 12.13956 | – |
| 2026 Aug 17 17:56 | 2026 Aug 12 12:38:22 | 74.1039 | 0.01424 | 0.3381 | 351.6028 | 75.5240 | 12.13956 | – |
| 2026 Aug 16 17:56 | 2026 Aug 12 12:38:22 | 74.1039 | 0.01424 | 0.3381 | 351.6028 | 75.5240 | 12.13956 | – |
| 2026 Aug 15 17:57 | 2026 Aug 12 12:38:22 | 74.1039 | 0.01424 | 0.3381 | 351.6028 | 75.5240 | 12.13956 | – |
| 2026 Aug 14 17:56 | 2026 Aug 12 12:38:22 | 74.1039 | 0.01424 | 0.3381 | 351.6028 | 75.5240 | 12.13956 | – |
| 2026 Aug 13 17:57 | 2026 Aug 12 12:38:22 | 74.1039 | 0.01424 | 0.3381 | 351.6028 | 75.5240 | 12.13956 | – |
| 2026 Aug 12 17:56 | 2026 Aug 06 20:39:31 | 74.1028 | 0.01423 | 0.8051 | 359.5959 | 75.5240 | 12.13956 | – |
| 2026 Aug 11 17:56 | 2026 Aug 06 20:39:31 | 74.1028 | 0.01423 | 0.8051 | 359.5959 | 75.5240 | 12.13956 | – |
| 2026 Aug 10 17:56 | 2026 Aug 06 20:39:31 | 74.1028 | 0.01423 | 0.8051 | 359.5959 | 75.5240 | 12.13956 | – |
| 2026 Aug 09 17:57 | 2026 Aug 06 20:39:31 | 74.1028 | 0.01423 | 0.8051 | 359.5959 | 75.5240 | 12.13956 | – |
| 2026 Aug 08 17:57 | 2026 Aug 06 20:39:31 | 74.1028 | 0.01423 | 0.8051 | 359.5959 | 75.5240 | 12.13956 | – |
| 2026 Aug 07 17:57 | 2026 Aug 06 20:39:31 | 74.1028 | 0.01423 | 0.8051 | 359.5959 | 75.5240 | 12.13956 | – |
| 2026 Aug 06 17:57 | 2026 Aug 01 03:59:40 | 74.1021 | 0.01423 | 1.2745 | 7.6512 | 75.5240 | 12.13956 | – |
| 2026 Aug 05 17:56 | 2026 Aug 01 03:59:40 | 74.1021 | 0.01423 | 1.2745 | 7.6512 | 75.5240 | 12.13956 | – |
| 2026 Aug 04 17:57 | 2026 Aug 01 03:59:40 | 74.1021 | 0.01423 | 1.2745 | 7.6512 | 75.5240 | 12.13956 | – |
| 2026 Aug 03 17:56 | 2026 Aug 01 03:59:40 | 74.1021 | 0.01423 | 1.2745 | 7.6512 | 75.5240 | 12.13956 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 03:59:40 | 74.1021 | 0.01423 | 1.2745 | 7.6512 | 75.5240 | 12.13956 | – |
| 2026 Aug 01 17:57 | 2026 Aug 01 03:59:40 | 74.1021 | 0.01423 | 1.2745 | 7.6512 | 75.5240 | 12.13956 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 10:45:50 | 74.1014 | 0.01423 | 1.6634 | 14.3204 | 75.5240 | 12.13956 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 10:45:50 | 74.1014 | 0.01423 | 1.6634 | 14.3204 | 75.5240 | 12.13956 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 10:45:50 | 74.1014 | 0.01423 | 1.6634 | 14.3204 | 75.5240 | 12.13956 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 10:45:50 | 74.1014 | 0.01423 | 1.6634 | 14.3204 | 75.5240 | 12.13956 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 10:45:50 | 74.1014 | 0.01423 | 1.6634 | 14.3204 | 75.5240 | 12.13956 | – |
| 2026 Jul 26 17:56 | 2026 Jul 20 23:14:27 | 74.1009 | 0.01422 | 2.1976 | 23.4826 | 75.5240 | 12.13956 | – |
| 2026 Jul 25 17:57 | 2026 Jul 20 23:14:27 | 74.1009 | 0.01422 | 2.1976 | 23.4826 | 75.5240 | 12.13956 | – |
| 2026 Jul 24 17:56 | 2026 Jul 20 23:14:27 | 74.1009 | 0.01422 | 2.1976 | 23.4826 | 75.5240 | 12.13956 | – |
| 2026 Jul 23 17:57 | 2026 Jul 20 23:14:27 | 74.1009 | 0.01422 | 2.1976 | 23.4826 | 75.5240 | 12.13956 | – |
| 2026 Jul 22 17:57 | 2026 Jul 20 23:14:27 | 74.1009 | 0.01422 | 2.1976 | 23.4826 | 75.5240 | 12.13956 | – |