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 Sep 15 17:56 | 2025 Sep 15 02:24:35 | 82.8276 | 0.00641 | 2.4608 | 151.7228 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 12 17:57 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 03:24:39 | 82.8254 | 0.00633 | 3.0669 | 185.1497 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 21:49:24 | 82.8246 | 0.00629 | 3.3829 | 202.7218 | 208.7435 | 13.80587 | 5.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 21:49:24 | 82.8246 | 0.00629 | 3.3829 | 202.7218 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:49:24 | 82.8246 | 0.00629 | 3.3829 | 202.7218 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:49:24 | 82.8246 | 0.00629 | 3.3829 | 202.7218 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:49:24 | 82.8246 | 0.00629 | 3.3829 | 202.7218 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:49:24 | 82.8246 | 0.00629 | 3.3829 | 202.7218 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 27 17:56 | 2025 Aug 20 21:06:10 | 82.8236 | 0.00625 | 3.7393 | 222.6906 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 26 17:56 | 2025 Aug 20 21:06:10 | 82.8236 | 0.00625 | 3.7393 | 222.6906 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 25 17:56 | 2025 Aug 20 21:06:10 | 82.8236 | 0.00625 | 3.7393 | 222.6906 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 24 17:56 | 2025 Aug 20 21:06:10 | 82.8236 | 0.00625 | 3.7393 | 222.6906 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 23 17:56 | 2025 Aug 20 21:06:10 | 82.8236 | 0.00625 | 3.7393 | 222.6906 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 22 17:56 | 2025 Aug 18 13:26:32 | 82.8235 | 0.00624 | 3.8569 | 229.3106 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 20 17:56 | 2025 Aug 18 13:26:32 | 82.8235 | 0.00624 | 3.8569 | 229.3106 | 208.7435 | 13.80587 | 5.743 |
| 2025 Aug 19 17:56 | 2025 Aug 18 13:26:32 | 82.8235 | 0.00624 | 3.8569 | 229.3106 | 208.7435 | 13.80587 | 5.743 |