| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33762 | 30936 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 23 01:29 |
| Time of closest approach (UTC) | 2024 Dec 25 03:29:20.745 |
| Minimum distance | 4.590 km |
| Height difference | 4.195 km |
| Relative speed | 14.636 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 67.0°S, 45.9°E |
| Height | 806 km |
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