| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP-16 (USA 172) |
| Spacetrack catalog number | 31503 | 28054 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 06:29 | 2024 Dec 23 08:34 |
| Time of closest approach (UTC) | 2024 Dec 28 21:31:52.189 |
| Minimum distance | 2.823 km |
| Height difference | 1.715 km |
| Relative speed | 14.441 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 44.0°S, 122.6°E |
| Height | 855 km |
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