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 |
| 2025 Jun 30 17:56 | 2025 Jun 27 12:27:48 | 68.5086 | 0.60509 | 7.3794 | 359.7759 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 29 17:56 | 2025 Jun 27 12:27:48 | 68.5086 | 0.60509 | 7.3794 | 359.7759 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 28 17:56 | 2025 Jun 27 12:27:48 | 68.5086 | 0.60509 | 7.3794 | 359.7759 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 27 17:56 | 2025 Jun 21 13:01:37 | 68.5046 | 0.60541 | 7.4041 | 359.9256 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 26 17:56 | 2025 Jun 21 13:01:37 | 68.5046 | 0.60541 | 7.4041 | 359.9256 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 25 17:56 | 2025 Jun 21 13:01:37 | 68.5046 | 0.60541 | 7.4041 | 359.9256 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 24 17:56 | 2025 Jun 21 13:01:37 | 68.5046 | 0.60541 | 7.4041 | 359.9256 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 23 17:56 | 2025 Jun 21 13:01:37 | 68.5046 | 0.60541 | 7.4041 | 359.9256 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 22 17:56 | 2025 Jun 16 13:29:45 | 68.5013 | 0.60568 | 7.4247 | 0.0492 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 21 17:56 | 2025 Jun 16 13:29:45 | 68.5013 | 0.60568 | 7.4247 | 0.0492 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 20 17:57 | 2025 Jun 16 13:29:45 | 68.5013 | 0.60568 | 7.4247 | 0.0492 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 19 17:56 | 2025 Jun 16 13:29:45 | 68.5013 | 0.60568 | 7.4247 | 0.0492 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 18 17:56 | 2025 Jun 16 13:29:45 | 68.5013 | 0.60568 | 7.4247 | 0.0492 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 17 17:56 | 2025 Jun 16 13:29:45 | 68.5013 | 0.60568 | 7.4247 | 0.0492 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 16 17:56 | 2025 Jun 11 13:57:34 | 68.4985 | 0.60595 | 7.4453 | 0.1721 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 15 17:56 | 2025 Jun 11 13:57:34 | 68.4985 | 0.60595 | 7.4453 | 0.1721 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 14 17:56 | 2025 Jun 11 13:57:34 | 68.4985 | 0.60595 | 7.4453 | 0.1721 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 13 17:56 | 2025 Jun 11 13:57:34 | 68.4985 | 0.60595 | 7.4453 | 0.1721 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 12 17:56 | 2025 Jun 11 13:57:34 | 68.4985 | 0.60595 | 7.4453 | 0.1721 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 11 17:56 | 2025 Jun 05 14:30:59 | 68.4947 | 0.60627 | 7.4701 | 0.3195 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 10 17:56 | 2025 Jun 05 14:30:59 | 68.4947 | 0.60627 | 7.4701 | 0.3195 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 09 17:56 | 2025 Jun 05 14:30:59 | 68.4947 | 0.60627 | 7.4701 | 0.3195 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 08 17:56 | 2025 Jun 05 14:30:59 | 68.4947 | 0.60627 | 7.4701 | 0.3195 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 07 17:56 | 2025 Jun 05 14:30:59 | 68.4947 | 0.60627 | 7.4701 | 0.3195 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 06 17:56 | 2025 Jun 05 14:30:59 | 68.4947 | 0.60627 | 7.4701 | 0.3195 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 05 17:56 | 2025 Jun 01 02:55:54 | 68.4921 | 0.60651 | 7.4888 | 0.4289 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 04 17:57 | 2025 Jun 01 02:55:54 | 68.4921 | 0.60651 | 7.4888 | 0.4289 | 359.9425 | 2.00792 | 5.243 |
| 2025 Jun 03 17:57 | 2025 Jun 01 02:55:54 | 68.4921 | 0.60651 | 7.4888 | 0.4289 | 359.9425 | 2.00792 | 5.243 |