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 Mar 14 18:56 | 2026 Mar 10 01:02:10 | 74.0068 | 0.00423 | 18.3831 | 2.4297 | 113.9720 | 12.53297 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 01:02:10 | 74.0068 | 0.00423 | 18.3831 | 2.4297 | 113.9720 | 12.53297 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 01:02:10 | 74.0068 | 0.00423 | 18.3831 | 2.4297 | 113.9720 | 12.53297 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 01:02:10 | 74.0068 | 0.00423 | 18.3831 | 2.4297 | 113.9720 | 12.53297 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 01:02:10 | 74.0068 | 0.00423 | 18.3831 | 2.4297 | 113.9720 | 12.53297 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 01:33:44 | 74.0077 | 0.00421 | 18.9168 | 11.4523 | 113.9720 | 12.53297 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 01:33:44 | 74.0077 | 0.00421 | 18.9168 | 11.4523 | 113.9720 | 12.53297 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 01:33:44 | 74.0077 | 0.00421 | 18.9168 | 11.4523 | 113.9720 | 12.53297 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 01:33:44 | 74.0077 | 0.00421 | 18.9168 | 11.4523 | 113.9720 | 12.53297 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 01:33:44 | 74.0077 | 0.00421 | 18.9168 | 11.4523 | 113.9720 | 12.53297 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 01:33:44 | 74.0077 | 0.00421 | 18.9168 | 11.4523 | 113.9720 | 12.53297 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 09:19:43 | 74.0088 | 0.00420 | 19.4234 | 20.0540 | 113.9720 | 12.53297 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 09:19:43 | 74.0088 | 0.00420 | 19.4234 | 20.0540 | 113.9720 | 12.53297 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 09:19:43 | 74.0088 | 0.00420 | 19.4234 | 20.0540 | 113.9720 | 12.53297 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 09:19:43 | 74.0088 | 0.00420 | 19.4234 | 20.0540 | 113.9720 | 12.53297 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 09:19:43 | 74.0088 | 0.00420 | 19.4234 | 20.0540 | 113.9720 | 12.53297 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 09:19:43 | 74.0088 | 0.00420 | 19.4234 | 20.0540 | 113.9720 | 12.53297 | – |