Orbital elements of COSMOS 256
| Launched | 29 November 1968 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 3576 |
| 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 28 18:57 | 2025 Dec 26 10:17:48 | 74.0498 | 0.00332 | 23.3435 | 26.0966 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 27 18:57 | 2025 Dec 26 10:17:48 | 74.0498 | 0.00332 | 23.3435 | 26.0966 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 26 18:56 | 2025 Dec 26 10:17:48 | 74.0498 | 0.00332 | 23.3435 | 26.0966 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 07:44:21 | 74.0498 | 0.00330 | 23.9538 | 36.6388 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 07:44:21 | 74.0498 | 0.00330 | 23.9538 | 36.6388 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 07:44:21 | 74.0498 | 0.00330 | 23.9538 | 36.6388 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 07:44:21 | 74.0498 | 0.00330 | 23.9538 | 36.6388 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 07:44:21 | 74.0498 | 0.00330 | 23.9538 | 36.6388 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 07:44:21 | 74.0498 | 0.00330 | 23.9538 | 36.6388 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:49:28 | 74.0499 | 0.00329 | 0.7571 | 50.5375 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:36:01 | 74.0505 | 0.00328 | 1.2743 | 59.5185 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:36:01 | 74.0505 | 0.00328 | 1.2743 | 59.5185 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:36:01 | 74.0505 | 0.00328 | 1.2743 | 59.5185 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:36:01 | 74.0505 | 0.00328 | 1.2743 | 59.5185 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:36:01 | 74.0505 | 0.00328 | 1.2743 | 59.5185 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:46:39 | 74.0507 | 0.00327 | 1.7357 | 67.5743 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:46:39 | 74.0507 | 0.00327 | 1.7357 | 67.5743 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:46:39 | 74.0507 | 0.00327 | 1.7357 | 67.5743 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:46:39 | 74.0507 | 0.00327 | 1.7357 | 67.5743 | 125.8229 | 13.16877 | 7.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:46:39 | 74.0507 | 0.00327 | 1.7357 | 67.5743 | 125.8229 | 13.16877 | 7.743 |