Orbital elements of COSMOS 2091
| Launched | 7 August 1990 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20736 |
| 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 Mar 18 18:56 | 2026 Mar 15 15:08:51 | 82.5807 | 0.00032 | 1.8592 | 342.9227 | 190.2498 | 12.62557 | – |
| 2026 Mar 17 18:56 | 2026 Mar 15 15:08:51 | 82.5807 | 0.00032 | 1.8592 | 342.9227 | 190.2498 | 12.62557 | – |
| 2026 Mar 16 18:57 | 2026 Mar 15 15:08:51 | 82.5807 | 0.00032 | 1.8592 | 342.9227 | 190.2498 | 12.62557 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 15:08:51 | 82.5807 | 0.00032 | 1.8592 | 342.9227 | 190.2498 | 12.62557 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 09:19:53 | 82.5796 | 0.00034 | 2.0823 | 354.3297 | 190.2498 | 12.62557 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 09:19:53 | 82.5796 | 0.00034 | 2.0823 | 354.3297 | 190.2498 | 12.62557 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 09:19:53 | 82.5796 | 0.00034 | 2.0823 | 354.3297 | 190.2498 | 12.62557 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 09:19:53 | 82.5796 | 0.00034 | 2.0823 | 354.3297 | 190.2498 | 12.62557 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 09:19:53 | 82.5796 | 0.00034 | 2.0823 | 354.3297 | 190.2498 | 12.62557 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 10:41:47 | 82.5783 | 0.00037 | 2.3353 | 7.2503 | 190.2498 | 12.62557 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 10:41:47 | 82.5783 | 0.00037 | 2.3353 | 7.2503 | 190.2498 | 12.62557 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 10:41:47 | 82.5783 | 0.00037 | 2.3353 | 7.2503 | 190.2498 | 12.62557 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 10:41:47 | 82.5783 | 0.00037 | 2.3353 | 7.2503 | 190.2498 | 12.62557 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 10:41:47 | 82.5783 | 0.00037 | 2.3353 | 7.2503 | 190.2498 | 12.62557 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 10:41:47 | 82.5783 | 0.00037 | 2.3353 | 7.2503 | 190.2498 | 12.62557 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 10:10:56 | 82.5769 | 0.00039 | 2.5916 | 20.1964 | 190.2498 | 12.62557 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 10:10:56 | 82.5769 | 0.00039 | 2.5916 | 20.1964 | 190.2498 | 12.62557 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 10:10:56 | 82.5769 | 0.00039 | 2.5916 | 20.1964 | 190.2498 | 12.62557 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 10:10:56 | 82.5769 | 0.00039 | 2.5916 | 20.1964 | 190.2498 | 12.62557 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 10:10:56 | 82.5769 | 0.00039 | 2.5916 | 20.1964 | 190.2498 | 12.62557 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 10:10:56 | 82.5769 | 0.00039 | 2.5916 | 20.1964 | 190.2498 | 12.62557 | – |