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 Dec 17 18:58 | 2025 Dec 12 06:55:48 | 68.6821 | 0.59577 | 6.6967 | 355.4618 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:55:48 | 68.6821 | 0.59577 | 6.6967 | 355.4618 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:55:48 | 68.6821 | 0.59577 | 6.6967 | 355.4618 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:55:48 | 68.6821 | 0.59577 | 6.6967 | 355.4618 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:55:48 | 68.6821 | 0.59577 | 6.6967 | 355.4618 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:55:48 | 68.6821 | 0.59577 | 6.6967 | 355.4618 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:27:40 | 68.6793 | 0.59605 | 6.7166 | 355.5919 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:27:40 | 68.6793 | 0.59605 | 6.7166 | 355.5919 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:27:40 | 68.6793 | 0.59605 | 6.7166 | 355.5919 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:27:40 | 68.6793 | 0.59605 | 6.7166 | 355.5919 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:27:40 | 68.6793 | 0.59605 | 6.7166 | 355.5919 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:59:43 | 68.6759 | 0.59633 | 6.7366 | 355.7220 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:59:43 | 68.6759 | 0.59633 | 6.7366 | 355.7220 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 07:59:43 | 68.6759 | 0.59633 | 6.7366 | 355.7220 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 07:59:43 | 68.6759 | 0.59633 | 6.7366 | 355.7220 | 0.8286 | 2.00890 | 5.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:59:43 | 68.6759 | 0.59633 | 6.7366 | 355.7220 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 08:45:00 | 68.6725 | 0.59672 | 6.7647 | 355.9057 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 08:45:00 | 68.6725 | 0.59672 | 6.7647 | 355.9057 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 08:45:00 | 68.6725 | 0.59672 | 6.7647 | 355.9057 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 08:45:00 | 68.6725 | 0.59672 | 6.7647 | 355.9057 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 08:45:00 | 68.6725 | 0.59672 | 6.7647 | 355.9057 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 08:45:00 | 68.6725 | 0.59672 | 6.7647 | 355.9057 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 24 18:56 | 2025 Nov 16 09:43:29 | 68.6664 | 0.59722 | 6.8008 | 356.1418 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 23 18:57 | 2025 Nov 16 09:43:29 | 68.6664 | 0.59722 | 6.8008 | 356.1418 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 21 18:57 | 2025 Nov 16 09:43:29 | 68.6664 | 0.59722 | 6.8008 | 356.1418 | 0.8286 | 2.00890 | 5.243 |
| 2025 Nov 20 18:56 | 2025 Nov 16 09:43:29 | 68.6664 | 0.59722 | 6.8008 | 356.1418 | 0.8286 | 2.00890 | 5.243 |