| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 33724 | 34615 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 07:01 | 2024 Dec 22 20:06 |
| Time of closest approach (UTC) | 2024 Dec 23 15:22:03.179 |
| Minimum distance | 4.709 km |
| Height difference | 2.524 km |
| Relative speed | 13.597 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 73.9°N, 98.7°W |
| Height | 823 km |
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