Orbital elements of COSMOS 766
| Launched | 16 September 1975 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 8290 |
| 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 14 18:56 | 2025 Dec 12 07:34:50 | 74.0111 | 0.00417 | 2.2129 | 136.5204 | 298.5957 | 12.53295 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:34:50 | 74.0111 | 0.00417 | 2.2129 | 136.5204 | 298.5957 | 12.53295 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:34:50 | 74.0111 | 0.00417 | 2.2129 | 136.5204 | 298.5957 | 12.53295 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:47:31 | 74.0114 | 0.00418 | 2.6769 | 144.4407 | 298.5957 | 12.53295 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:47:31 | 74.0114 | 0.00418 | 2.6769 | 144.4407 | 298.5957 | 12.53295 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:47:31 | 74.0114 | 0.00418 | 2.6769 | 144.4407 | 298.5957 | 12.53295 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:47:31 | 74.0114 | 0.00418 | 2.6769 | 144.4407 | 298.5957 | 12.53295 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:47:31 | 74.0114 | 0.00418 | 2.6769 | 144.4407 | 298.5957 | 12.53295 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:37:39 | 74.0116 | 0.00418 | 3.0903 | 151.4847 | 298.5957 | 12.53295 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:37:39 | 74.0116 | 0.00418 | 3.0903 | 151.4847 | 298.5957 | 12.53295 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:37:39 | 74.0116 | 0.00418 | 3.0903 | 151.4847 | 298.5957 | 12.53295 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:37:39 | 74.0116 | 0.00418 | 3.0903 | 151.4847 | 298.5957 | 12.53295 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:37:39 | 74.0116 | 0.00418 | 3.0903 | 151.4847 | 298.5957 | 12.53295 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 09:26:30 | 74.0114 | 0.00420 | 3.7231 | 162.1865 | 298.5957 | 12.53295 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 09:26:30 | 74.0114 | 0.00420 | 3.7231 | 162.1865 | 298.5957 | 12.53295 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 09:26:30 | 74.0114 | 0.00420 | 3.7231 | 162.1865 | 298.5957 | 12.53295 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 09:26:30 | 74.0114 | 0.00420 | 3.7231 | 162.1865 | 298.5957 | 12.53295 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 09:26:30 | 74.0114 | 0.00420 | 3.7231 | 162.1865 | 298.5957 | 12.53295 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 09:26:30 | 74.0114 | 0.00420 | 3.7231 | 162.1865 | 298.5957 | 12.53295 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:38:05 | 74.0112 | 0.00421 | 4.1798 | 169.9222 | 298.5957 | 12.53295 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:38:05 | 74.0112 | 0.00421 | 4.1798 | 169.9222 | 298.5957 | 12.53295 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 06:38:05 | 74.0112 | 0.00421 | 4.1798 | 169.9222 | 298.5957 | 12.53295 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:38:05 | 74.0112 | 0.00421 | 4.1798 | 169.9222 | 298.5957 | 12.53295 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 19:26:57 | 74.0093 | 0.00423 | 5.2030 | 187.1599 | 298.5957 | 12.53295 | – |