Orbital elements of COSMOS 1256
| Launched | 5 March 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12326 |
| 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 Dec 31 18:57 | 2025 Dec 31 14:33:44 | 74.0265 | 0.00122 | 14.0410 | 48.5562 | 8.4735 | 12.49598 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 13:17:54 | 74.0268 | 0.00121 | 14.4883 | 56.5231 | 8.4735 | 12.49598 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 13:17:54 | 74.0268 | 0.00121 | 14.4883 | 56.5231 | 8.4735 | 12.49598 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 13:17:54 | 74.0268 | 0.00121 | 14.4883 | 56.5231 | 8.4735 | 12.49598 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 13:17:54 | 74.0268 | 0.00121 | 14.4883 | 56.5231 | 8.4735 | 12.49598 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 13:17:54 | 74.0268 | 0.00121 | 14.4883 | 56.5231 | 8.4735 | 12.49598 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 10:12:44 | 74.0278 | 0.00120 | 15.0309 | 66.1815 | 8.4735 | 12.49598 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 10:12:44 | 74.0278 | 0.00120 | 15.0309 | 66.1815 | 8.4735 | 12.49598 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 10:12:44 | 74.0278 | 0.00120 | 15.0309 | 66.1815 | 8.4735 | 12.49598 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 10:12:44 | 74.0278 | 0.00120 | 15.0309 | 66.1815 | 8.4735 | 12.49598 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 10:12:44 | 74.0278 | 0.00120 | 15.0309 | 66.1815 | 8.4735 | 12.49598 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 10:12:44 | 74.0278 | 0.00120 | 15.0309 | 66.1815 | 8.4735 | 12.49598 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:00:53 | 74.0288 | 0.00119 | 15.7619 | 79.2207 | 8.4735 | 12.49598 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 03:11:28 | 74.0293 | 0.00119 | 16.2075 | 87.2543 | 8.4735 | 12.49598 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 03:11:28 | 74.0293 | 0.00119 | 16.2075 | 87.2543 | 8.4735 | 12.49598 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 03:11:28 | 74.0293 | 0.00119 | 16.2075 | 87.2543 | 8.4735 | 12.49598 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 03:11:28 | 74.0293 | 0.00119 | 16.2075 | 87.2543 | 8.4735 | 12.49598 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 03:11:28 | 74.0293 | 0.00119 | 16.2075 | 87.2543 | 8.4735 | 12.49598 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:32:06 | 74.0294 | 0.00119 | 16.6194 | 94.6791 | 8.4735 | 12.49598 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:32:06 | 74.0294 | 0.00119 | 16.6194 | 94.6791 | 8.4735 | 12.49598 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:32:06 | 74.0294 | 0.00119 | 16.6194 | 94.6791 | 8.4735 | 12.49598 | – |