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 Jul 07 17:56 | 2026 Jul 04 14:46:59 | 82.5800 | 0.00045 | 21.1360 | 78.8946 | 292.3275 | 12.62561 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 14:46:59 | 82.5800 | 0.00045 | 21.1360 | 78.8946 | 292.3275 | 12.62561 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 14:46:59 | 82.5800 | 0.00045 | 21.1360 | 78.8946 | 292.3275 | 12.62561 | – |
| 2026 Jul 04 17:56 | 2026 Jun 29 11:26:39 | 82.5794 | 0.00046 | 21.3547 | 87.6412 | 292.3275 | 12.62561 | – |
| 2026 Jul 03 17:57 | 2026 Jun 29 11:26:39 | 82.5794 | 0.00046 | 21.3547 | 87.6412 | 292.3275 | 12.62561 | – |
| 2026 Jul 02 17:56 | 2026 Jun 29 11:26:39 | 82.5794 | 0.00046 | 21.3547 | 87.6412 | 292.3275 | 12.62561 | – |
| 2026 Jul 01 17:56 | 2026 Jun 29 11:26:39 | 82.5794 | 0.00046 | 21.3547 | 87.6412 | 292.3275 | 12.62561 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 11:26:39 | 82.5794 | 0.00046 | 21.3547 | 87.6412 | 292.3275 | 12.62561 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 11:26:39 | 82.5794 | 0.00046 | 21.3547 | 87.6412 | 292.3275 | 12.62561 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 15:36:37 | 82.5789 | 0.00046 | 21.6453 | 99.1788 | 292.3275 | 12.62561 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 15:36:37 | 82.5789 | 0.00046 | 21.6453 | 99.1788 | 292.3275 | 12.62561 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 15:36:37 | 82.5789 | 0.00046 | 21.6453 | 99.1788 | 292.3275 | 12.62561 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 15:36:37 | 82.5789 | 0.00046 | 21.6453 | 99.1788 | 292.3275 | 12.62561 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 15:36:37 | 82.5789 | 0.00046 | 21.6453 | 99.1788 | 292.3275 | 12.62561 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 15:36:37 | 82.5789 | 0.00046 | 21.6453 | 99.1788 | 292.3275 | 12.62561 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 12:16:00 | 82.5785 | 0.00046 | 21.8641 | 107.8297 | 292.3275 | 12.62561 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 12:16:00 | 82.5785 | 0.00046 | 21.8641 | 107.8297 | 292.3275 | 12.62561 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 12:16:00 | 82.5785 | 0.00046 | 21.8641 | 107.8297 | 292.3275 | 12.62561 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 12:16:00 | 82.5785 | 0.00046 | 21.8641 | 107.8297 | 292.3275 | 12.62561 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 12:16:00 | 82.5785 | 0.00046 | 21.8641 | 107.8297 | 292.3275 | 12.62561 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 12:16:00 | 82.5785 | 0.00046 | 21.8641 | 107.8297 | 292.3275 | 12.62561 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 05:25:03 | 82.5781 | 0.00045 | 22.0891 | 116.6275 | 292.3275 | 12.62561 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 05:25:03 | 82.5781 | 0.00045 | 22.0891 | 116.6275 | 292.3275 | 12.62561 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 05:25:03 | 82.5781 | 0.00045 | 22.0891 | 116.6275 | 292.3275 | 12.62561 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 05:25:03 | 82.5781 | 0.00045 | 22.0891 | 116.6275 | 292.3275 | 12.62561 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 05:25:03 | 82.5781 | 0.00045 | 22.0891 | 116.6275 | 292.3275 | 12.62561 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 05:36:05 | 82.5781 | 0.00044 | 22.3016 | 125.2201 | 292.3275 | 12.62561 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 05:36:05 | 82.5781 | 0.00044 | 22.3016 | 125.2201 | 292.3275 | 12.62561 | – |