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 Sep 15 17:56 | 2025 Sep 15 05:55:20 | 74.0337 | 0.00129 | 23.5455 | 214.3703 | 160.0334 | 12.49595 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 02:44:13 | 74.0329 | 0.00130 | 0.6194 | 231.7867 | 160.0334 | 12.49595 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:33:50 | 74.0319 | 0.00130 | 1.1733 | 240.7557 | 160.0334 | 12.49595 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:33:50 | 74.0319 | 0.00130 | 1.1733 | 240.7557 | 160.0334 | 12.49595 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:33:50 | 74.0319 | 0.00130 | 1.1733 | 240.7557 | 160.0334 | 12.49595 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:33:50 | 74.0319 | 0.00130 | 1.1733 | 240.7557 | 160.0334 | 12.49595 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:33:50 | 74.0319 | 0.00130 | 1.1733 | 240.7557 | 160.0334 | 12.49595 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:33:50 | 74.0319 | 0.00130 | 1.1733 | 240.7557 | 160.0334 | 12.49595 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 03:31:48 | 74.0310 | 0.00130 | 1.5902 | 247.5323 | 160.0334 | 12.49595 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 03:31:48 | 74.0310 | 0.00130 | 1.5902 | 247.5323 | 160.0334 | 12.49595 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 03:31:48 | 74.0310 | 0.00130 | 1.5902 | 247.5323 | 160.0334 | 12.49595 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 03:31:48 | 74.0310 | 0.00130 | 1.5902 | 247.5323 | 160.0334 | 12.49595 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 03:31:48 | 74.0310 | 0.00130 | 1.5902 | 247.5323 | 160.0334 | 12.49595 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:20:10 | 74.0300 | 0.00130 | 2.0521 | 255.0509 | 160.0334 | 12.49595 | – |