| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36273 | 33896 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 18:45 | 2024 Dec 22 16:33 |
| Time of closest approach (UTC) | 2024 Dec 26 20:12:21.955 |
| Minimum distance | 2.847 km |
| Height difference | 1.395 km |
| Relative speed | 13.070 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 73.8°N, 122.4°E |
| Height | 920 km |
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