Orbital elements of COSMOS 1391
| Launched | 20 July 1982 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 13378 |
| 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 |
| 2025 May 09 17:57 | 2025 May 09 07:27:19 | 74.0144 | 0.00208 | 5.3615 | 335.1115 | 139.7120 | 12.51426 | – |
| 2025 May 08 17:56 | 2025 May 03 15:33:23 | 74.0133 | 0.00207 | 5.8649 | 343.5549 | 139.7120 | 12.51426 | – |
| 2025 May 07 17:56 | 2025 May 03 15:33:23 | 74.0133 | 0.00207 | 5.8649 | 343.5549 | 139.7120 | 12.51426 | – |
| 2025 May 06 17:57 | 2025 May 03 15:33:23 | 74.0133 | 0.00207 | 5.8649 | 343.5549 | 139.7120 | 12.51426 | – |
| 2025 May 05 17:56 | 2025 May 03 15:33:23 | 74.0133 | 0.00207 | 5.8649 | 343.5549 | 139.7120 | 12.51426 | – |
| 2025 May 04 17:57 | 2025 May 03 15:33:23 | 74.0133 | 0.00207 | 5.8649 | 343.5549 | 139.7120 | 12.51426 | – |
| 2025 May 03 17:57 | 2025 May 03 15:33:23 | 74.0133 | 0.00207 | 5.8649 | 343.5549 | 139.7120 | 12.51426 | – |
| 2025 May 01 17:56 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 10:40:35 | 74.0114 | 0.00205 | 6.8612 | 0.1584 | 139.7120 | 12.51426 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 11:58:52 | 74.0111 | 0.00204 | 7.4788 | 10.6131 | 139.7120 | 12.51426 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 11:58:52 | 74.0111 | 0.00204 | 7.4788 | 10.6131 | 139.7120 | 12.51426 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 11:58:52 | 74.0111 | 0.00204 | 7.4788 | 10.6131 | 139.7120 | 12.51426 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 11:58:52 | 74.0111 | 0.00204 | 7.4788 | 10.6131 | 139.7120 | 12.51426 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 11:58:52 | 74.0111 | 0.00204 | 7.4788 | 10.6131 | 139.7120 | 12.51426 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 11:58:52 | 74.0111 | 0.00204 | 7.4788 | 10.6131 | 139.7120 | 12.51426 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 12:49:25 | 74.0112 | 0.00203 | 7.9203 | 18.1551 | 139.7120 | 12.51426 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 12:49:25 | 74.0112 | 0.00203 | 7.9203 | 18.1551 | 139.7120 | 12.51426 | – |