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 |
| 2026 May 24 17:57 | 2026 May 21 13:57:13 | 74.0460 | 0.00332 | 8.7389 | 140.3969 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 23 17:58 | 2026 May 21 13:57:13 | 74.0460 | 0.00332 | 8.7389 | 140.3969 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 22 17:57 | 2026 May 21 13:57:13 | 74.0460 | 0.00332 | 8.7389 | 140.3969 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 21 17:57 | 2026 May 21 13:57:13 | 74.0460 | 0.00332 | 8.7389 | 140.3969 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 20 17:57 | 2026 May 16 10:10:05 | 74.0461 | 0.00332 | 9.2543 | 149.2822 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 19 17:58 | 2026 May 16 10:10:05 | 74.0461 | 0.00332 | 9.2543 | 149.2822 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 18 17:57 | 2026 May 16 10:10:05 | 74.0461 | 0.00332 | 9.2543 | 149.2822 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 17 17:57 | 2026 May 16 10:10:05 | 74.0461 | 0.00332 | 9.2543 | 149.2822 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 16 17:56 | 2026 May 16 10:10:05 | 74.0461 | 0.00332 | 9.2543 | 149.2822 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 15 17:57 | 2026 May 10 11:39:01 | 74.0461 | 0.00334 | 9.8477 | 159.5070 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 14 17:58 | 2026 May 10 11:39:01 | 74.0461 | 0.00334 | 9.8477 | 159.5070 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 13 17:58 | 2026 May 10 11:39:01 | 74.0461 | 0.00334 | 9.8477 | 159.5070 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 12 17:58 | 2026 May 10 11:39:01 | 74.0461 | 0.00334 | 9.8477 | 159.5070 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 11 17:56 | 2026 May 10 11:39:01 | 74.0461 | 0.00334 | 9.8477 | 159.5070 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 10 17:57 | 2026 May 10 11:39:01 | 74.0461 | 0.00334 | 9.8477 | 159.5070 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 09 17:57 | 2026 May 05 08:59:08 | 74.0468 | 0.00335 | 10.3585 | 168.2198 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 08 17:57 | 2026 May 05 08:59:08 | 74.0468 | 0.00335 | 10.3585 | 168.2198 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 07 17:58 | 2026 May 05 08:59:08 | 74.0468 | 0.00335 | 10.3585 | 168.2198 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 06 17:57 | 2026 May 05 08:59:08 | 74.0468 | 0.00335 | 10.3585 | 168.2198 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 05 17:57 | 2026 May 05 08:59:08 | 74.0468 | 0.00335 | 10.3585 | 168.2198 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 04 17:57 | 2026 Apr 30 14:40:02 | 74.0475 | 0.00336 | 10.8344 | 176.3619 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 03 17:57 | 2026 Apr 30 14:40:02 | 74.0475 | 0.00336 | 10.8344 | 176.3619 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 02 17:57 | 2026 Apr 30 14:40:02 | 74.0475 | 0.00336 | 10.8344 | 176.3619 | 357.4022 | 13.16883 | 7.743 |
| 2026 May 01 17:56 | 2026 Apr 30 14:40:02 | 74.0475 | 0.00336 | 10.8344 | 176.3619 | 357.4022 | 13.16883 | 7.743 |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:40:02 | 74.0475 | 0.00336 | 10.8344 | 176.3619 | 357.4022 | 13.16883 | 7.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:44:37 | 74.0486 | 0.00337 | 11.4420 | 186.6153 | 357.4022 | 13.16883 | 7.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:44:37 | 74.0486 | 0.00337 | 11.4420 | 186.6153 | 357.4022 | 13.16883 | 7.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:44:37 | 74.0486 | 0.00337 | 11.4420 | 186.6153 | 357.4022 | 13.16883 | 7.743 |