| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 38725 | 34481 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 06:26 | 2024 Dec 22 09:28 |
| Time of closest approach (UTC) | 2024 Dec 28 01:57:34.176 |
| Minimum distance | 3.002 km |
| Height difference | -2.160 km |
| Relative speed | 13.954 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 73.4°S, 132.8°E |
| Height | 782 km |
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