| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 29796 | 33914 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:38 | 2024 Dec 23 03:40 |
| Time of closest approach (UTC) | 2024 Dec 23 21:14:22.169 |
| Minimum distance | 2.886 km |
| Height difference | 0.535 km |
| Relative speed | 14.783 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 52.1°N, 14.8°W |
| Height | 892 km |
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