| Primary satellite | Secondary satellite |
| Name | DMSP-16 (USA 172) | FENGYUN 1C DEB |
| Spacetrack catalog number | 28054 | 37028 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:34 | 2024 Dec 17 10:14 |
| Time of closest approach (UTC) | 2024 Dec 26 00:12:23.160 |
| Minimum distance | 0.807 km |
| Height difference | 0.616 km |
| Relative speed | 12.870 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 71.4°S, 60.8°W |
| Height | 869 km |
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