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 Sep 12 17:57 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:24:35 | 74.0108 | 0.00430 | 11.1460 | 286.5504 | 145.8490 | 12.53293 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:03:31 | 74.0103 | 0.00430 | 11.7087 | 295.9338 | 145.8490 | 12.53293 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:03:31 | 74.0103 | 0.00430 | 11.7087 | 295.9338 | 145.8490 | 12.53293 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:03:31 | 74.0103 | 0.00430 | 11.7087 | 295.9338 | 145.8490 | 12.53293 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:03:31 | 74.0103 | 0.00430 | 11.7087 | 295.9338 | 145.8490 | 12.53293 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:03:31 | 74.0103 | 0.00430 | 11.7087 | 295.9338 | 145.8490 | 12.53293 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:03:31 | 74.0103 | 0.00430 | 11.7087 | 295.9338 | 145.8490 | 12.53293 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 07:11:10 | 74.0098 | 0.00430 | 12.1209 | 302.8050 | 145.8490 | 12.53293 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 07:11:10 | 74.0098 | 0.00430 | 12.1209 | 302.8050 | 145.8490 | 12.53293 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 07:11:10 | 74.0098 | 0.00430 | 12.1209 | 302.8050 | 145.8490 | 12.53293 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 07:11:10 | 74.0098 | 0.00430 | 12.1209 | 302.8050 | 145.8490 | 12.53293 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 07:11:10 | 74.0098 | 0.00430 | 12.1209 | 302.8050 | 145.8490 | 12.53293 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:32:30 | 74.0091 | 0.00430 | 12.5993 | 310.7974 | 145.8490 | 12.53293 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:32:30 | 74.0091 | 0.00430 | 12.5993 | 310.7974 | 145.8490 | 12.53293 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:32:30 | 74.0091 | 0.00430 | 12.5993 | 310.7974 | 145.8490 | 12.53293 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 22:32:30 | 74.0091 | 0.00430 | 12.5993 | 310.7974 | 145.8490 | 12.53293 | – |