| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30688 | 34672 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 17:35 | 2024 Dec 18 02:30 |
| Time of closest approach (UTC) | 2024 Dec 23 18:43:54.626 |
| Minimum distance | 1.997 km |
| Height difference | 1.188 km |
| Relative speed | 14.811 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 51.5°S, 62.8°E |
| Height | 807 km |
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