Orbital elements of COSMOS 1091
| Launched | 6 April 1979 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 11320 |
| 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 26 20:45 | 2026 Feb 26 12:01:46 | 82.9225 | 0.00317 | 14.3661 | 111.6559 | 308.0806 | 13.74910 | 7.243 |
| 2026 Feb 05 18:58 | 2026 Feb 02 11:41:47 | 82.9198 | 0.00305 | 15.5553 | 176.8901 | 308.0806 | 13.74910 | 7.243 |
| 2026 Feb 04 18:57 | 2026 Feb 02 11:41:47 | 82.9198 | 0.00305 | 15.5553 | 176.8901 | 308.0806 | 13.74910 | 7.243 |
| 2026 Feb 03 18:56 | 2026 Feb 02 11:41:47 | 82.9198 | 0.00305 | 15.5553 | 176.8901 | 308.0806 | 13.74910 | 7.243 |
| 2026 Feb 02 18:56 | 2026 Feb 02 11:41:47 | 82.9198 | 0.00305 | 15.5553 | 176.8901 | 308.0806 | 13.74910 | 7.243 |
| 2026 Feb 01 18:56 | 2026 Jan 27 13:59:30 | 82.9199 | 0.00301 | 15.8477 | 193.4184 | 308.0806 | 13.74910 | 7.243 |
| 2026 Jan 31 18:56 | 2026 Jan 27 13:59:30 | 82.9199 | 0.00301 | 15.8477 | 193.4184 | 308.0806 | 13.74910 | 7.243 |
| 2026 Jan 30 18:57 | 2026 Jan 27 13:59:30 | 82.9199 | 0.00301 | 15.8477 | 193.4184 | 308.0806 | 13.74910 | 7.243 |