| Primary satellite | Secondary satellite |
Name | Cosmos 1666 | OBJECT P |
Spacetrack catalog number | 15889 | 43844 |
Radar cross section | large | small |
Epoch of two-line elements (UTC) | 2023 Feb 01 06:47 | 2023 Feb 01 12:05 |
Time of closest approach (UTC) | 2022 Dec 04 22:10:25.457 |
Minimum distance | 426.225 km |
Height difference | -6.780 km |
Relative speed | 12.315 km/s |
Angle between velocity vectors | 108° |
Geographic position | 78.7°N, 97.3°W |
Height | 521 km |
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