| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36272 | 35448 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 08:07 | 2024 Dec 22 19:31 |
| Time of closest approach (UTC) | 2024 Dec 26 01:25:42.557 |
| Minimum distance | 1.826 km |
| Height difference | 0.005 km |
| Relative speed | 15.013 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 20.4°N, 72.3°W |
| Height | 727 km |
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