Orbital elements of COSMOS 1255
| Launched | 5 March 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12325 |
| 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 00:44:18 | 74.0268 | 0.00163 | 18.5205 | 84.1113 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 12 17:57 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 02:54:38 | 74.0292 | 0.00164 | 19.5787 | 102.7896 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:03:00 | 74.0305 | 0.00165 | 20.1297 | 112.4949 | 303.0625 | 12.51486 | 6.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:03:00 | 74.0305 | 0.00165 | 20.1297 | 112.4949 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:03:00 | 74.0305 | 0.00165 | 20.1297 | 112.4949 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:03:00 | 74.0305 | 0.00165 | 20.1297 | 112.4949 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:03:00 | 74.0305 | 0.00165 | 20.1297 | 112.4949 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:03:00 | 74.0305 | 0.00165 | 20.1297 | 112.4949 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:09:52 | 74.0315 | 0.00165 | 20.5438 | 119.7330 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:09:52 | 74.0315 | 0.00165 | 20.5438 | 119.7330 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:09:52 | 74.0315 | 0.00165 | 20.5438 | 119.7330 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:09:52 | 74.0315 | 0.00165 | 20.5438 | 119.7330 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:09:52 | 74.0315 | 0.00165 | 20.5438 | 119.7330 | 303.0625 | 12.51486 | 6.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 16:09:24 | 74.0324 | 0.00166 | 21.0398 | 128.3506 | 303.0625 | 12.51486 | 6.743 |