| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 31444 | 34061 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:31 | 2024 Dec 22 16:51 |
| Time of closest approach (UTC) | 2024 Dec 26 06:47:09.663 |
| Minimum distance | 4.409 km |
| Height difference | 1.400 km |
| Relative speed | 9.491 km/s |
| Angle between velocity vectors | 79° |
| Geographic position | 69.8°S, 133.7°W |
| Height | 788 km |
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