| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30679 | 38481 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:56 | 2024 Dec 20 02:09 |
| Time of closest approach (UTC) | 2024 Dec 27 13:58:48.825 |
| Minimum distance | 4.827 km |
| Height difference | 4.499 km |
| Relative speed | 14.242 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 67.9°N, 80.6°E |
| Height | 1086 km |
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