Orbital elements of SL-8 R/B
| Launched | 11 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21108 |
| 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 May 01 17:56 | 2026 Apr 30 14:38:25 | 74.0522 | 0.01755 | 20.1907 | 19.9594 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:38:25 | 74.0522 | 0.01755 | 20.1907 | 19.9594 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:49:20 | 74.0527 | 0.01754 | 20.6976 | 28.5986 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:49:20 | 74.0527 | 0.01754 | 20.6976 | 28.5986 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:49:20 | 74.0527 | 0.01754 | 20.6976 | 28.5986 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:49:20 | 74.0527 | 0.01754 | 20.6976 | 28.5986 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:49:20 | 74.0527 | 0.01754 | 20.6976 | 28.5986 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:49:20 | 74.0527 | 0.01754 | 20.6976 | 28.5986 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:22:40 | 74.0534 | 0.01754 | 21.1162 | 35.7167 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:22:40 | 74.0534 | 0.01754 | 21.1162 | 35.7167 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:22:40 | 74.0534 | 0.01754 | 21.1162 | 35.7167 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:22:40 | 74.0534 | 0.01754 | 21.1162 | 35.7167 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:22:40 | 74.0534 | 0.01754 | 21.1162 | 35.7167 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 18 17:56 | 2026 Apr 13 01:29:23 | 74.0546 | 0.01753 | 21.6546 | 44.8869 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 16 17:57 | 2026 Apr 13 01:29:23 | 74.0546 | 0.01753 | 21.6546 | 44.8869 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 14 17:57 | 2026 Apr 13 01:29:23 | 74.0546 | 0.01753 | 21.6546 | 44.8869 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 13 17:57 | 2026 Apr 13 01:29:23 | 74.0546 | 0.01753 | 21.6546 | 44.8869 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:28:05 | 74.0554 | 0.01752 | 22.0265 | 51.2222 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:28:05 | 74.0554 | 0.01752 | 22.0265 | 51.2222 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:28:05 | 74.0554 | 0.01752 | 22.0265 | 51.2222 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:28:05 | 74.0554 | 0.01752 | 22.0265 | 51.2222 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:28:05 | 74.0554 | 0.01752 | 22.0265 | 51.2222 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 07 17:57 | 2026 Apr 02 03:26:52 | 74.0567 | 0.01751 | 22.5652 | 60.4155 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 06 17:57 | 2026 Apr 02 03:26:52 | 74.0567 | 0.01751 | 22.5652 | 60.4155 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 05 17:56 | 2026 Apr 02 03:26:52 | 74.0567 | 0.01751 | 22.5652 | 60.4155 | 45.4247 | 12.18524 | 4.743 |
| 2026 Apr 04 17:57 | 2026 Apr 02 03:26:52 | 74.0567 | 0.01751 | 22.5652 | 60.4155 | 45.4247 | 12.18524 | 4.743 |