| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30028 | 38486 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:05 | 2024 Dec 21 22:33 |
| Time of closest approach (UTC) | 2024 Dec 23 19:11:44.686 |
| Minimum distance | 4.948 km |
| Height difference | -3.258 km |
| Relative speed | 14.918 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 21.1°S, 23.0°W |
| Height | 732 km |
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