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 |
| 2026 Mar 15 18:56 | 2026 Mar 15 14:06:48 | 62.1266 | 0.73977 | 20.8483 | 42.1964 | 355.4046 | 2.01894 | – |
| 2026 Mar 14 18:56 | 2026 Mar 08 15:41:51 | 62.1654 | 0.73960 | 20.9238 | 42.0851 | 355.4046 | 2.01894 | – |
| 2026 Mar 13 18:57 | 2026 Mar 08 15:41:51 | 62.1654 | 0.73960 | 20.9238 | 42.0851 | 355.4046 | 2.01894 | – |
| 2026 Mar 12 18:57 | 2026 Mar 08 15:41:51 | 62.1654 | 0.73960 | 20.9238 | 42.0851 | 355.4046 | 2.01894 | – |
| 2026 Mar 11 18:56 | 2026 Mar 08 15:41:51 | 62.1654 | 0.73960 | 20.9238 | 42.0851 | 355.4046 | 2.01894 | – |
| 2026 Mar 10 18:56 | 2026 Mar 08 15:41:51 | 62.1654 | 0.73960 | 20.9238 | 42.0851 | 355.4046 | 2.01894 | – |
| 2026 Mar 09 18:56 | 2026 Mar 03 16:50:00 | 62.1932 | 0.73946 | 20.9778 | 42.0168 | 355.4046 | 2.01894 | – |
| 2026 Mar 08 18:57 | 2026 Mar 03 16:50:00 | 62.1932 | 0.73946 | 20.9778 | 42.0168 | 355.4046 | 2.01894 | – |
| 2026 Mar 07 18:57 | 2026 Mar 03 16:50:00 | 62.1932 | 0.73946 | 20.9778 | 42.0168 | 355.4046 | 2.01894 | – |
| 2026 Mar 06 18:56 | 2026 Mar 03 16:50:00 | 62.1932 | 0.73946 | 20.9778 | 42.0168 | 355.4046 | 2.01894 | – |
| 2026 Mar 05 18:56 | 2026 Mar 03 16:50:00 | 62.1932 | 0.73946 | 20.9778 | 42.0168 | 355.4046 | 2.01894 | – |
| 2026 Mar 04 18:57 | 2026 Mar 03 16:50:00 | 62.1932 | 0.73946 | 20.9778 | 42.0168 | 355.4046 | 2.01894 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 06:05:04 | 62.2233 | 0.73934 | 21.0370 | 41.9393 | 355.4046 | 2.01894 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 06:05:04 | 62.2233 | 0.73934 | 21.0370 | 41.9393 | 355.4046 | 2.01894 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 06:05:04 | 62.2233 | 0.73934 | 21.0370 | 41.9393 | 355.4046 | 2.01894 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 06:05:04 | 62.2233 | 0.73934 | 21.0370 | 41.9393 | 355.4046 | 2.01894 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 06:05:04 | 62.2233 | 0.73934 | 21.0370 | 41.9393 | 355.4046 | 2.01894 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 06:05:04 | 62.2233 | 0.73934 | 21.0370 | 41.9393 | 355.4046 | 2.01894 | – |