| Primary satellite | Secondary satellite |
Name | DMSP-16 (USA 172) | FENGYUN 1C DEB |
Spacetrack catalog number | 28054 | 31503 |
Radar cross section | large | small |
Epoch of two-line elements (UTC) | 2024 Dec 23 08:34 | 2024 Dec 17 05:06 |
Time of closest approach (UTC) | 2024 Dec 28 21:31:52.237 |
Minimum distance | 2.873 km |
Height difference | -1.625 km |
Relative speed | 14.441 km/s |
Angle between velocity vectors | 153° |
Geographic position | 44.0°S, 122.6°E |
Height | 857 km |
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