Orbital elements of SL-8 R/B
| Launched | 5 April 1990 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20557 |
| 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 Sep 12 17:57 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:28:08 | 73.9841 | 0.01523 | 4.2966 | 210.1038 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:00:35 | 73.9837 | 0.01523 | 4.8301 | 219.0745 | 323.7398 | 12.23289 | 6.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:00:35 | 73.9837 | 0.01523 | 4.8301 | 219.0745 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:00:35 | 73.9837 | 0.01523 | 4.8301 | 219.0745 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:00:35 | 73.9837 | 0.01523 | 4.8301 | 219.0745 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:00:35 | 73.9837 | 0.01523 | 4.8301 | 219.0745 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:00:35 | 73.9837 | 0.01523 | 4.8301 | 219.0745 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 00:29:40 | 73.9837 | 0.01524 | 5.2439 | 226.0399 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 00:29:40 | 73.9837 | 0.01524 | 5.2439 | 226.0399 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 00:29:40 | 73.9837 | 0.01524 | 5.2439 | 226.0399 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 00:29:40 | 73.9837 | 0.01524 | 5.2439 | 226.0399 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 00:29:40 | 73.9837 | 0.01524 | 5.2439 | 226.0399 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:35:18 | 73.9838 | 0.01524 | 5.6733 | 233.2546 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:35:18 | 73.9838 | 0.01524 | 5.6733 | 233.2546 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:35:18 | 73.9838 | 0.01524 | 5.6733 | 233.2546 | 323.7398 | 12.23289 | 6.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 22:35:18 | 73.9838 | 0.01524 | 5.6733 | 233.2546 | 323.7398 | 12.23289 | 6.743 |