| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | YUNHAI 3 |
| Spacetrack catalog number | 30281 | 54235 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:32 | 2024 Dec 23 12:22 |
| Time of closest approach (UTC) | 2024 Dec 27 23:50:20.827 |
| Minimum distance | 1.837 km |
| Height difference | -1.022 km |
| Relative speed | 1.355 km/s |
| Angle between velocity vectors | 10° |
| Geographic position | 81.2°N, 179.8°W |
| Height | 861 km |
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