| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33841 | 31195 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:25 | 2024 Dec 23 01:58 |
| Time of closest approach (UTC) | 2024 Dec 26 07:17:51.903 |
| Minimum distance | 0.629 km |
| Height difference | -0.198 km |
| Relative speed | 14.899 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 57.5°N, 26.6°E |
| Height | 768 km |
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