Orbital elements of COSMOS 1261
| Launched | 30 March 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12376 |
| 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 05 17:57 | 2026 May 04 16:57:15 | 68.8325 | 0.58799 | 6.1327 | 351.7770 | 1.5648 | 2.00768 | 5.243 |
| 2026 May 04 17:57 | 2026 Apr 29 17:24:43 | 68.8266 | 0.58828 | 6.1520 | 351.9059 | 1.5648 | 2.00768 | 5.243 |
| 2026 May 03 17:57 | 2026 Apr 29 17:24:43 | 68.8266 | 0.58828 | 6.1520 | 351.9059 | 1.5648 | 2.00768 | 5.243 |
| 2026 May 02 17:57 | 2026 Apr 29 17:24:43 | 68.8266 | 0.58828 | 6.1520 | 351.9059 | 1.5648 | 2.00768 | 5.243 |
| 2026 May 01 17:56 | 2026 Apr 29 17:24:43 | 68.8266 | 0.58828 | 6.1520 | 351.9059 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 30 17:56 | 2026 Apr 29 17:24:43 | 68.8266 | 0.58828 | 6.1520 | 351.9059 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 29 17:57 | 2026 Apr 23 06:00:33 | 68.8186 | 0.58866 | 6.1770 | 352.0708 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 28 17:56 | 2026 Apr 23 06:00:33 | 68.8186 | 0.58866 | 6.1770 | 352.0708 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 27 17:58 | 2026 Apr 23 06:00:33 | 68.8186 | 0.58866 | 6.1770 | 352.0708 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 26 17:58 | 2026 Apr 23 06:00:33 | 68.8186 | 0.58866 | 6.1770 | 352.0708 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 25 17:58 | 2026 Apr 23 06:00:33 | 68.8186 | 0.58866 | 6.1770 | 352.0708 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 24 17:59 | 2026 Apr 23 06:00:33 | 68.8186 | 0.58866 | 6.1770 | 352.0708 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 23 17:57 | 2026 Apr 18 06:28:05 | 68.8121 | 0.58895 | 6.1964 | 352.1963 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 22 17:57 | 2026 Apr 18 06:28:05 | 68.8121 | 0.58895 | 6.1964 | 352.1963 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 21 17:57 | 2026 Apr 18 06:28:05 | 68.8121 | 0.58895 | 6.1964 | 352.1963 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 20 17:57 | 2026 Apr 18 06:28:05 | 68.8121 | 0.58895 | 6.1964 | 352.1963 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 19 17:58 | 2026 Apr 18 06:28:05 | 68.8121 | 0.58895 | 6.1964 | 352.1963 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 18 17:56 | 2026 Apr 12 07:01:22 | 68.8035 | 0.58930 | 6.2196 | 352.3470 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 16 17:57 | 2026 Apr 12 07:01:22 | 68.8035 | 0.58930 | 6.2196 | 352.3470 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 14 17:57 | 2026 Apr 12 07:01:22 | 68.8035 | 0.58930 | 6.2196 | 352.3470 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 13 17:57 | 2026 Apr 12 07:01:22 | 68.8035 | 0.58930 | 6.2196 | 352.3470 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 12 17:57 | 2026 Apr 05 19:37:20 | 68.7951 | 0.58967 | 6.2448 | 352.5107 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 11 17:57 | 2026 Apr 05 19:37:20 | 68.7951 | 0.58967 | 6.2448 | 352.5107 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 10 17:58 | 2026 Apr 05 19:37:20 | 68.7951 | 0.58967 | 6.2448 | 352.5107 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 09 18:01 | 2026 Apr 05 19:37:20 | 68.7951 | 0.58967 | 6.2448 | 352.5107 | 1.5648 | 2.00768 | 5.243 |
| 2026 Apr 08 17:57 | 2026 Apr 05 19:37:20 | 68.7951 | 0.58967 | 6.2448 | 352.5107 | 1.5648 | 2.00768 | 5.243 |