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 Jan 01 18:56 | 2025 Dec 31 12:21:45 | 74.1101 | 0.01356 | 8.6791 | 98.5325 | 339.0346 | 12.19280 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 12:21:45 | 74.1101 | 0.01356 | 8.6791 | 98.5325 | 339.0346 | 12.19280 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 12:11:40 | 74.1091 | 0.01357 | 9.0957 | 105.7253 | 339.0346 | 12.19280 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 12:11:40 | 74.1091 | 0.01357 | 9.0957 | 105.7253 | 339.0346 | 12.19280 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 12:11:40 | 74.1091 | 0.01357 | 9.0957 | 105.7253 | 339.0346 | 12.19280 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 12:11:40 | 74.1091 | 0.01357 | 9.0957 | 105.7253 | 339.0346 | 12.19280 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 12:11:40 | 74.1091 | 0.01357 | 9.0957 | 105.7253 | 339.0346 | 12.19280 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 14:29:16 | 74.1080 | 0.01357 | 9.5870 | 114.1882 | 339.0346 | 12.19280 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 14:29:16 | 74.1080 | 0.01357 | 9.5870 | 114.1882 | 339.0346 | 12.19280 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 14:29:16 | 74.1080 | 0.01357 | 9.5870 | 114.1882 | 339.0346 | 12.19280 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 14:29:16 | 74.1080 | 0.01357 | 9.5870 | 114.1882 | 339.0346 | 12.19280 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 14:29:16 | 74.1080 | 0.01357 | 9.5870 | 114.1882 | 339.0346 | 12.19280 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 14:29:16 | 74.1080 | 0.01357 | 9.5870 | 114.1882 | 339.0346 | 12.19280 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:12:51 | 74.1076 | 0.01358 | 10.2814 | 126.1511 | 339.0346 | 12.19280 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:06:42 | 74.1074 | 0.01359 | 10.6978 | 133.3244 | 339.0346 | 12.19280 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:06:42 | 74.1074 | 0.01359 | 10.6978 | 133.3244 | 339.0346 | 12.19280 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:06:42 | 74.1074 | 0.01359 | 10.6978 | 133.3244 | 339.0346 | 12.19280 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:06:42 | 74.1074 | 0.01359 | 10.6978 | 133.3244 | 339.0346 | 12.19280 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:06:42 | 74.1074 | 0.01359 | 10.6978 | 133.3244 | 339.0346 | 12.19280 | – |
| 2025 Dec 06 18:56 | 2025 Dec 01 23:44:57 | 74.1075 | 0.01360 | 11.1359 | 140.8607 | 339.0346 | 12.19280 | – |
| 2025 Dec 05 18:57 | 2025 Dec 01 23:44:57 | 74.1075 | 0.01360 | 11.1359 | 140.8607 | 339.0346 | 12.19280 | – |