Orbital elements of SL-8 R/B
| Launched | 25 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21131 |
| 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 Jul 04 17:56 | 2025 Jul 03 11:11:53 | 82.8268 | 0.00636 | 6.1934 | 0.8295 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jul 03 17:56 | 2025 Jul 03 11:11:53 | 82.8268 | 0.00636 | 6.1934 | 0.8295 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jul 02 17:56 | 2025 Jun 28 05:57:48 | 82.8269 | 0.00639 | 6.4578 | 15.4104 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jul 01 17:56 | 2025 Jun 28 05:57:48 | 82.8269 | 0.00639 | 6.4578 | 15.4104 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 30 17:56 | 2025 Jun 28 05:57:48 | 82.8269 | 0.00639 | 6.4578 | 15.4104 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 29 17:56 | 2025 Jun 28 05:57:48 | 82.8269 | 0.00639 | 6.4578 | 15.4104 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 28 17:56 | 2025 Jun 28 05:57:48 | 82.8269 | 0.00639 | 6.4578 | 15.4104 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 27 17:56 | 2025 Jun 23 12:54:14 | 82.8269 | 0.00642 | 6.6965 | 28.5218 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 26 17:56 | 2025 Jun 23 12:54:14 | 82.8269 | 0.00642 | 6.6965 | 28.5218 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 25 17:56 | 2025 Jun 23 12:54:14 | 82.8269 | 0.00642 | 6.6965 | 28.5218 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 12:54:14 | 82.8269 | 0.00642 | 6.6965 | 28.5218 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 23 17:56 | 2025 Jun 23 12:54:14 | 82.8269 | 0.00642 | 6.6965 | 28.5218 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 22 17:56 | 2025 Jun 16 13:55:26 | 82.8265 | 0.00646 | 7.0490 | 47.7579 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 21 17:56 | 2025 Jun 16 13:55:26 | 82.8265 | 0.00646 | 7.0490 | 47.7579 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 20 17:57 | 2025 Jun 16 13:55:26 | 82.8265 | 0.00646 | 7.0490 | 47.7579 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 19 17:56 | 2025 Jun 16 13:55:26 | 82.8265 | 0.00646 | 7.0490 | 47.7579 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 18 17:56 | 2025 Jun 16 13:55:26 | 82.8265 | 0.00646 | 7.0490 | 47.7579 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 17 17:56 | 2025 Jun 16 13:55:26 | 82.8265 | 0.00646 | 7.0490 | 47.7579 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 16 17:56 | 2025 Jun 12 07:18:01 | 82.8263 | 0.00648 | 7.2657 | 59.5409 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 15 17:56 | 2025 Jun 12 07:18:01 | 82.8263 | 0.00648 | 7.2657 | 59.5409 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 14 17:56 | 2025 Jun 12 07:18:01 | 82.8263 | 0.00648 | 7.2657 | 59.5409 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 13 17:56 | 2025 Jun 12 07:18:01 | 82.8263 | 0.00648 | 7.2657 | 59.5409 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 12 17:56 | 2025 Jun 12 07:18:01 | 82.8263 | 0.00648 | 7.2657 | 59.5409 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 11 17:56 | 2025 Jun 05 10:03:32 | 82.8255 | 0.00649 | 7.6145 | 78.4653 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 10 17:56 | 2025 Jun 05 10:03:32 | 82.8255 | 0.00649 | 7.6145 | 78.4653 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 09 17:56 | 2025 Jun 05 10:03:32 | 82.8255 | 0.00649 | 7.6145 | 78.4653 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 08 17:56 | 2025 Jun 05 10:03:32 | 82.8255 | 0.00649 | 7.6145 | 78.4653 | 359.2958 | 13.80579 | 5.743 |
| 2025 Jun 07 17:56 | 2025 Jun 05 10:03:32 | 82.8255 | 0.00649 | 7.6145 | 78.4653 | 359.2958 | 13.80579 | 5.743 |