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 |
| 2026 Jul 03 17:57 | 2026 Jun 29 13:08:09 | 74.0090 | 0.00426 | 8.4313 | 195.4758 | 285.1365 | 12.53299 | – |
| 2026 Jul 02 17:56 | 2026 Jun 29 13:08:09 | 74.0090 | 0.00426 | 8.4313 | 195.4758 | 285.1365 | 12.53299 | – |
| 2026 Jul 01 17:56 | 2026 Jun 29 13:08:09 | 74.0090 | 0.00426 | 8.4313 | 195.4758 | 285.1365 | 12.53299 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 13:08:09 | 74.0090 | 0.00426 | 8.4313 | 195.4758 | 285.1365 | 12.53299 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 13:08:09 | 74.0090 | 0.00426 | 8.4313 | 195.4758 | 285.1365 | 12.53299 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 14:46:12 | 74.0081 | 0.00427 | 9.0499 | 205.9295 | 285.1365 | 12.53299 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 14:46:12 | 74.0081 | 0.00427 | 9.0499 | 205.9295 | 285.1365 | 12.53299 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 14:46:12 | 74.0081 | 0.00427 | 9.0499 | 205.9295 | 285.1365 | 12.53299 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 14:46:12 | 74.0081 | 0.00427 | 9.0499 | 205.9295 | 285.1365 | 12.53299 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 14:46:12 | 74.0081 | 0.00427 | 9.0499 | 205.9295 | 285.1365 | 12.53299 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 14:46:12 | 74.0081 | 0.00427 | 9.0499 | 205.9295 | 285.1365 | 12.53299 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 09:57:34 | 74.0075 | 0.00428 | 9.5140 | 213.7479 | 285.1365 | 12.53299 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 09:57:34 | 74.0075 | 0.00428 | 9.5140 | 213.7479 | 285.1365 | 12.53299 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 09:57:34 | 74.0075 | 0.00428 | 9.5140 | 213.7479 | 285.1365 | 12.53299 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 09:57:34 | 74.0075 | 0.00428 | 9.5140 | 213.7479 | 285.1365 | 12.53299 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 09:57:34 | 74.0075 | 0.00428 | 9.5140 | 213.7479 | 285.1365 | 12.53299 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 09:57:34 | 74.0075 | 0.00428 | 9.5140 | 213.7479 | 285.1365 | 12.53299 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 07:18:58 | 74.0072 | 0.00429 | 9.9701 | 221.3963 | 285.1365 | 12.53299 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 07:18:58 | 74.0072 | 0.00429 | 9.9701 | 221.3963 | 285.1365 | 12.53299 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 07:18:58 | 74.0072 | 0.00429 | 9.9701 | 221.3963 | 285.1365 | 12.53299 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 07:18:58 | 74.0072 | 0.00429 | 9.9701 | 221.3963 | 285.1365 | 12.53299 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 07:18:58 | 74.0072 | 0.00429 | 9.9701 | 221.3963 | 285.1365 | 12.53299 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 06:07:41 | 74.0067 | 0.00430 | 10.4208 | 228.9683 | 285.1365 | 12.53299 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 06:07:41 | 74.0067 | 0.00430 | 10.4208 | 228.9683 | 285.1365 | 12.53299 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 06:07:41 | 74.0067 | 0.00430 | 10.4208 | 228.9683 | 285.1365 | 12.53299 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 06:07:41 | 74.0067 | 0.00430 | 10.4208 | 228.9683 | 285.1365 | 12.53299 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 06:07:41 | 74.0067 | 0.00430 | 10.4208 | 228.9683 | 285.1365 | 12.53299 | – |
| 2026 Jun 06 17:56 | 2026 May 31 11:49:50 | 74.0069 | 0.00430 | 11.0243 | 239.0568 | 285.1365 | 12.53299 | – |