| Primary satellite | Secondary satellite |
Name | Cosmos 1674 | FLOCK 3K 4 |
Spacetrack catalog number | 15944 | 43893 |
Radar cross section | large | small |
Epoch of two-line elements (UTC) | 2021 Jan 17 10:39 | 2021 Jan 17 10:17 |
Time of closest approach (UTC) | 2020 Dec 03 22:53:02.512 |
Minimum distance | 5.179 km |
Height difference | 2.423 km |
Relative speed | 15.233 km/s |
Angle between velocity vectors | 180° |
Geographic position | 50.1°N, 6.3°E |
Height | 503 km |
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