Orbital elements of SL-8 R/B
| Launched | 4 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21090 |
| 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 Dec 15 18:58 | 2025 Dec 12 07:34:35 | 82.9207 | 0.00207 | 5.9688 | 12.3658 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:34:35 | 82.9207 | 0.00207 | 5.9688 | 12.3658 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:34:35 | 82.9207 | 0.00207 | 5.9688 | 12.3658 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:34:35 | 82.9207 | 0.00207 | 5.9688 | 12.3658 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:13:01 | 82.9207 | 0.00210 | 6.2179 | 25.9754 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:13:01 | 82.9207 | 0.00210 | 6.2179 | 25.9754 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:13:01 | 82.9207 | 0.00210 | 6.2179 | 25.9754 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:13:01 | 82.9207 | 0.00210 | 6.2179 | 25.9754 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:13:01 | 82.9207 | 0.00210 | 6.2179 | 25.9754 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:20:45 | 82.9203 | 0.00213 | 6.4598 | 39.2616 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:20:45 | 82.9203 | 0.00213 | 6.4598 | 39.2616 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:20:45 | 82.9203 | 0.00213 | 6.4598 | 39.2616 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:20:45 | 82.9203 | 0.00213 | 6.4598 | 39.2616 | 347.8002 | 13.76650 | 4.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:20:45 | 82.9203 | 0.00213 | 6.4598 | 39.2616 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 10:53:19 | 82.9190 | 0.00216 | 6.8064 | 58.0377 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 10:53:19 | 82.9190 | 0.00216 | 6.8064 | 58.0377 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 10:53:19 | 82.9190 | 0.00216 | 6.8064 | 58.0377 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 10:53:19 | 82.9190 | 0.00216 | 6.8064 | 58.0377 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 10:53:19 | 82.9190 | 0.00216 | 6.8064 | 58.0377 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 10:53:19 | 82.9190 | 0.00216 | 6.8064 | 58.0377 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 24 18:56 | 2025 Nov 19 18:49:46 | 82.9185 | 0.00218 | 7.0881 | 72.9160 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 23 18:57 | 2025 Nov 19 18:49:46 | 82.9185 | 0.00218 | 7.0881 | 72.9160 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 21 18:57 | 2025 Nov 19 18:49:46 | 82.9185 | 0.00218 | 7.0881 | 72.9160 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 20 18:56 | 2025 Nov 19 18:49:46 | 82.9185 | 0.00218 | 7.0881 | 72.9160 | 347.8002 | 13.76650 | 4.743 |
| 2025 Nov 18 18:57 | 2025 Nov 08 17:41:18 | 82.9177 | 0.00218 | 7.6370 | 101.9394 | 347.8002 | 13.76650 | 4.743 |