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 | 12893 |
| 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 14 11:28:10 | 64.7833 | 0.70930 | 1.2972 | 27.8632 | 356.3846 | 2.01142 | – |
| 2025 Sep 12 17:57 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 13:04:53 | 64.7919 | 0.70923 | 1.3920 | 27.9757 | 356.3846 | 2.01142 | – |
| 2025 Sep 02 17:56 | 2025 Aug 25 14:08:03 | 64.7953 | 0.70917 | 1.4548 | 28.0560 | 356.3846 | 2.01142 | – |
| 2025 Sep 01 17:56 | 2025 Aug 25 14:08:03 | 64.7953 | 0.70917 | 1.4548 | 28.0560 | 356.3846 | 2.01142 | – |
| 2025 Aug 31 17:56 | 2025 Aug 25 14:08:03 | 64.7953 | 0.70917 | 1.4548 | 28.0560 | 356.3846 | 2.01142 | – |
| 2025 Aug 30 17:56 | 2025 Aug 25 14:08:03 | 64.7953 | 0.70917 | 1.4548 | 28.0560 | 356.3846 | 2.01142 | – |
| 2025 Aug 29 17:56 | 2025 Aug 25 14:08:03 | 64.7953 | 0.70917 | 1.4548 | 28.0560 | 356.3846 | 2.01142 | – |
| 2025 Aug 28 17:57 | 2025 Aug 25 14:08:03 | 64.7953 | 0.70917 | 1.4548 | 28.0560 | 356.3846 | 2.01142 | – |
| 2025 Aug 27 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 26 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 25 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 24 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 23 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 22 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 20 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |
| 2025 Aug 19 17:56 | 2025 Aug 16 15:18:32 | 64.7997 | 0.70910 | 1.5254 | 28.1284 | 356.3846 | 2.01142 | – |