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 Feb 05 18:58 | 2026 Feb 02 12:28:58 | 74.0520 | 0.01751 | 3.4544 | 143.9669 | 329.3502 | 12.18522 | 4.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 12:28:58 | 74.0520 | 0.01751 | 3.4544 | 143.9669 | 329.3502 | 12.18522 | 4.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 12:28:58 | 74.0520 | 0.01751 | 3.4544 | 143.9669 | 329.3502 | 12.18522 | 4.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 12:28:58 | 74.0520 | 0.01751 | 3.4544 | 143.9669 | 329.3502 | 12.18522 | 4.743 |
| 2026 Feb 01 18:56 | 2026 Jan 27 10:38:38 | 74.0511 | 0.01752 | 3.9613 | 152.6129 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 31 18:56 | 2026 Jan 27 10:38:38 | 74.0511 | 0.01752 | 3.9613 | 152.6129 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 30 18:57 | 2026 Jan 27 10:38:38 | 74.0511 | 0.01752 | 3.9613 | 152.6129 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 29 18:56 | 2026 Jan 27 10:38:38 | 74.0511 | 0.01752 | 3.9613 | 152.6129 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 28 18:56 | 2026 Jan 27 10:38:38 | 74.0511 | 0.01752 | 3.9613 | 152.6129 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 27 18:56 | 2026 Jan 22 12:26:47 | 74.0515 | 0.01753 | 4.3722 | 159.6145 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 26 18:57 | 2026 Jan 22 12:26:47 | 74.0515 | 0.01753 | 4.3722 | 159.6145 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 25 18:57 | 2026 Jan 22 12:26:47 | 74.0515 | 0.01753 | 4.3722 | 159.6145 | 329.3502 | 12.18522 | 4.743 |
| 2026 Jan 24 18:58 | 2026 Jan 22 12:26:47 | 74.0515 | 0.01753 | 4.3722 | 159.6145 | 329.3502 | 12.18522 | 4.743 |