| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30382 | 34614 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:45 | 2024 Dec 23 04:21 |
| Time of closest approach (UTC) | 2024 Dec 24 20:09:56.293 |
| Minimum distance | 3.011 km |
| Height difference | -2.684 km |
| Relative speed | 14.440 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 71.3°S, 160.3°E |
| Height | 773 km |
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