Launch data:
| Designation | 16881 / 86055A |
| Launch date | 28 Jul 1986 - 21:08 UT |
| Launch site | Pl, LC-32/2 |
| Launch vehicle | Tsyklon-3 |
| Mission | Ocean observation |
| Satellite type | Okean-O1 (#1) |
| Perigee / Apogee | km |
| Inclination | ° |
| Period | min |
Cosmos 1766 |
Russia |
International Sat. n°: |
Russian satellite n°: |
Launch data:
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| Prime contractor | |
| Platform | |
| Mass at launch | kg |
| Dry Mass | kg |
| Dimension | |
| Basic shape | |
| Solar array | |
| Stabilization | |
| DC power | |
| Design lifetime |