| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33762 | 30489 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 23 01:03 |
| Time of closest approach (UTC) | 2024 Dec 25 16:52:05.868 |
| Minimum distance | 4.829 km |
| Height difference | -1.945 km |
| Relative speed | 14.503 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 69.9°S, 165.0°W |
| Height | 807 km |
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