| Primary satellite | Secondary satellite |
| Name | DMSP-16 (USA 172) | FENGYUN 1C DEB |
| Spacetrack catalog number | 28054 | 30329 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:34 | 2024 Dec 22 17:41 |
| Time of closest approach (UTC) | 2024 Dec 24 19:18:27.152 |
| Minimum distance | 3.984 km |
| Height difference | -3.566 km |
| Relative speed | 10.504 km/s |
| Angle between velocity vectors | 90° |
| Geographic position | 77.1°S, 28.3°E |
| Height | 869 km |
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