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 | 21173 |
| 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 Apr 28 17:56 | 2026 Apr 24 01:54:24 | 74.1124 | 0.01363 | 23.2288 | 296.3351 | 219.6128 | 12.19281 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 01:54:24 | 74.1124 | 0.01363 | 23.2288 | 296.3351 | 219.6128 | 12.19281 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 01:54:24 | 74.1124 | 0.01363 | 23.2288 | 296.3351 | 219.6128 | 12.19281 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 01:54:24 | 74.1124 | 0.01363 | 23.2288 | 296.3351 | 219.6128 | 12.19281 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 01:54:24 | 74.1124 | 0.01363 | 23.2288 | 296.3351 | 219.6128 | 12.19281 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 09:46:33 | 74.1142 | 0.01363 | 23.6176 | 302.9847 | 219.6128 | 12.19281 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 09:46:33 | 74.1142 | 0.01363 | 23.6176 | 302.9847 | 219.6128 | 12.19281 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 09:46:33 | 74.1142 | 0.01363 | 23.6176 | 302.9847 | 219.6128 | 12.19281 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 09:46:33 | 74.1142 | 0.01363 | 23.6176 | 302.9847 | 219.6128 | 12.19281 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 09:46:33 | 74.1142 | 0.01363 | 23.6176 | 302.9847 | 219.6128 | 12.19281 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:01:03 | 74.1149 | 0.01364 | 0.1368 | 311.8565 | 219.6128 | 12.19281 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:01:03 | 74.1149 | 0.01364 | 0.1368 | 311.8565 | 219.6128 | 12.19281 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:01:03 | 74.1149 | 0.01364 | 0.1368 | 311.8565 | 219.6128 | 12.19281 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:01:03 | 74.1149 | 0.01364 | 0.1368 | 311.8565 | 219.6128 | 12.19281 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 03:54:04 | 74.1152 | 0.01364 | 0.5532 | 318.9634 | 219.6128 | 12.19281 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 03:54:04 | 74.1152 | 0.01364 | 0.5532 | 318.9634 | 219.6128 | 12.19281 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 03:54:04 | 74.1152 | 0.01364 | 0.5532 | 318.9634 | 219.6128 | 12.19281 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 03:54:04 | 74.1152 | 0.01364 | 0.5532 | 318.9634 | 219.6128 | 12.19281 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 03:54:04 | 74.1152 | 0.01364 | 0.5532 | 318.9634 | 219.6128 | 12.19281 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 06:08:36 | 74.1150 | 0.01364 | 1.0446 | 327.3578 | 219.6128 | 12.19281 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 06:08:36 | 74.1150 | 0.01364 | 1.0446 | 327.3578 | 219.6128 | 12.19281 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 06:08:36 | 74.1150 | 0.01364 | 1.0446 | 327.3578 | 219.6128 | 12.19281 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 06:08:36 | 74.1150 | 0.01364 | 1.0446 | 327.3578 | 219.6128 | 12.19281 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 06:08:36 | 74.1150 | 0.01364 | 1.0446 | 327.3578 | 219.6128 | 12.19281 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 06:08:36 | 74.1150 | 0.01364 | 1.0446 | 327.3578 | 219.6128 | 12.19281 | – |