Orbital elements of COSMOS 1261 DEB
| Launched | 30 March 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 35507 |
| 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 15 18:58 | 2025 Dec 08 23:40:18 | 62.6183 | 0.73718 | 21.8762 | 40.8577 | 355.5560 | 2.01874 | – |
| 2025 Dec 14 18:56 | 2025 Dec 08 23:40:18 | 62.6183 | 0.73718 | 21.8762 | 40.8577 | 355.5560 | 2.01874 | – |
| 2025 Dec 13 18:56 | 2025 Dec 08 23:40:18 | 62.6183 | 0.73718 | 21.8762 | 40.8577 | 355.5560 | 2.01874 | – |
| 2025 Dec 12 18:57 | 2025 Dec 08 23:40:18 | 62.6183 | 0.73718 | 21.8762 | 40.8577 | 355.5560 | 2.01874 | – |
| 2025 Dec 11 18:56 | 2025 Dec 04 12:40:32 | 62.6398 | 0.73703 | 21.9231 | 40.8120 | 355.5560 | 2.01874 | – |
| 2025 Dec 10 18:56 | 2025 Dec 04 12:40:32 | 62.6398 | 0.73703 | 21.9231 | 40.8120 | 355.5560 | 2.01874 | – |
| 2025 Dec 09 18:56 | 2025 Dec 04 12:40:32 | 62.6398 | 0.73703 | 21.9231 | 40.8120 | 355.5560 | 2.01874 | – |
| 2025 Dec 08 18:56 | 2025 Dec 04 12:40:32 | 62.6398 | 0.73703 | 21.9231 | 40.8120 | 355.5560 | 2.01874 | – |
| 2025 Dec 07 18:56 | 2025 Dec 04 12:40:32 | 62.6398 | 0.73703 | 21.9231 | 40.8120 | 355.5560 | 2.01874 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 01:13:52 | 62.6512 | 0.73695 | 21.9493 | 40.7933 | 355.5560 | 2.01874 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 01:13:52 | 62.6512 | 0.73695 | 21.9493 | 40.7933 | 355.5560 | 2.01874 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 01:13:52 | 62.6512 | 0.73695 | 21.9493 | 40.7933 | 355.5560 | 2.01874 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 01:13:52 | 62.6512 | 0.73695 | 21.9493 | 40.7933 | 355.5560 | 2.01874 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 01:13:52 | 62.6512 | 0.73695 | 21.9493 | 40.7933 | 355.5560 | 2.01874 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 02:46:36 | 62.6708 | 0.73677 | 22.0211 | 40.7149 | 355.5560 | 2.01874 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 02:46:36 | 62.6708 | 0.73677 | 22.0211 | 40.7149 | 355.5560 | 2.01874 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 02:46:36 | 62.6708 | 0.73677 | 22.0211 | 40.7149 | 355.5560 | 2.01874 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 02:46:36 | 62.6708 | 0.73677 | 22.0211 | 40.7149 | 355.5560 | 2.01874 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 02:46:36 | 62.6708 | 0.73677 | 22.0211 | 40.7149 | 355.5560 | 2.01874 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 02:46:36 | 62.6708 | 0.73677 | 22.0211 | 40.7149 | 355.5560 | 2.01874 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:52:20 | 62.6848 | 0.73663 | 22.0724 | 40.6642 | 355.5560 | 2.01874 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:52:20 | 62.6848 | 0.73663 | 22.0724 | 40.6642 | 355.5560 | 2.01874 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:52:20 | 62.6848 | 0.73663 | 22.0724 | 40.6642 | 355.5560 | 2.01874 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:52:20 | 62.6848 | 0.73663 | 22.0724 | 40.6642 | 355.5560 | 2.01874 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 06:27:42 | 62.7250 | 0.73632 | 22.1956 | 40.5401 | 355.5560 | 2.01874 | – |