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 Jul 27 17:57 | 2026 Jul 23 21:31:05 | 68.9478 | 0.58330 | 5.8272 | 349.6522 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 26 17:56 | 2026 Jul 20 21:48:06 | 68.9423 | 0.58348 | 5.8385 | 349.7314 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 25 17:57 | 2026 Jul 20 21:48:06 | 68.9423 | 0.58348 | 5.8385 | 349.7314 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 24 17:56 | 2026 Jul 20 21:48:06 | 68.9423 | 0.58348 | 5.8385 | 349.7314 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 23 17:57 | 2026 Jul 20 21:48:06 | 68.9423 | 0.58348 | 5.8385 | 349.7314 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 22 17:57 | 2026 Jul 20 21:48:06 | 68.9423 | 0.58348 | 5.8385 | 349.7314 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 21 17:57 | 2026 Jul 20 21:48:06 | 68.9423 | 0.58348 | 5.8385 | 349.7314 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 20 17:57 | 2026 Jul 14 22:22:06 | 68.9319 | 0.58383 | 5.8610 | 349.8910 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 19 19:06 | 2026 Jul 14 22:22:06 | 68.9319 | 0.58383 | 5.8610 | 349.8910 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 19 17:57 | 2026 Jul 14 22:22:06 | 68.9319 | 0.58383 | 5.8610 | 349.8910 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 18 17:57 | 2026 Jul 14 22:22:06 | 68.9319 | 0.58383 | 5.8610 | 349.8910 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 17 17:57 | 2026 Jul 14 22:22:06 | 68.9319 | 0.58383 | 5.8610 | 349.8910 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 16 17:56 | 2026 Jul 14 22:22:06 | 68.9319 | 0.58383 | 5.8610 | 349.8910 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 15 17:57 | 2026 Jul 10 22:44:33 | 68.9250 | 0.58405 | 5.8761 | 349.9986 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 14 17:56 | 2026 Jul 10 22:44:33 | 68.9250 | 0.58405 | 5.8761 | 349.9986 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 13 17:56 | 2026 Jul 10 22:44:33 | 68.9250 | 0.58405 | 5.8761 | 349.9986 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 12 17:56 | 2026 Jul 10 22:44:33 | 68.9250 | 0.58405 | 5.8761 | 349.9986 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 11 17:56 | 2026 Jul 10 22:44:33 | 68.9250 | 0.58405 | 5.8761 | 349.9986 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 09 17:56 | 2026 Jul 04 11:21:02 | 68.9145 | 0.58442 | 5.9006 | 350.1725 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 08 17:56 | 2026 Jul 04 11:21:02 | 68.9145 | 0.58442 | 5.9006 | 350.1725 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 07 17:56 | 2026 Jul 04 11:21:02 | 68.9145 | 0.58442 | 5.9006 | 350.1725 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 06 17:57 | 2026 Jul 04 11:21:02 | 68.9145 | 0.58442 | 5.9006 | 350.1725 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 05 17:56 | 2026 Jul 04 11:21:02 | 68.9145 | 0.58442 | 5.9006 | 350.1725 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 04 17:56 | 2026 Jun 28 11:54:26 | 68.9054 | 0.58476 | 5.9232 | 350.3337 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 03 17:57 | 2026 Jun 28 11:54:26 | 68.9054 | 0.58476 | 5.9232 | 350.3337 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 02 17:56 | 2026 Jun 28 11:54:26 | 68.9054 | 0.58476 | 5.9232 | 350.3337 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jul 01 17:56 | 2026 Jun 28 11:54:26 | 68.9054 | 0.58476 | 5.9232 | 350.3337 | 2.3452 | 2.00796 | 5.243 |
| 2026 Jun 30 17:56 | 2026 Jun 28 11:54:26 | 68.9054 | 0.58476 | 5.9232 | 350.3337 | 2.3452 | 2.00796 | 5.243 |