| Primary satellite | Secondary satellite |
Name | Cosmos 1844 Rocket | DMSP 5D-2 F13 DEB |
Spacetrack catalog number | 17974 | 42306 |
Radar cross section | large | small |
Epoch of two-line elements (UTC) | 2021 Jan 17 10:55 | 2021 Jan 17 12:15 |
Time of closest approach (UTC) | 2020 Nov 28 17:26:55.335 |
Minimum distance | 144.344 km |
Height difference | -3.103 km |
Relative speed | 13.953 km/s |
Angle between velocity vectors | 140° |
Geographic position | 69.7°S, 52.0°E |
Height | 850 km |
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