| Primary satellite | Secondary satellite |
Name | DMSP 7529 | COSMOS 1867 COOLANT |
Spacetrack catalog number | 6787 | 39647 |
Radar cross section | large | small |
Epoch of two-line elements (UTC) | 2024 Dec 22 15:13 | 2024 Dec 20 09:26 |
Time of closest approach (UTC) | 2024 Dec 28 23:59:09.368 |
Minimum distance | 4.159 km |
Height difference | 3.734 km |
Relative speed | 14.055 km/s |
Angle between velocity vectors | 141° |
Geographic position | 59.6°N, 111.4°E |
Height | 798 km |
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