| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 31834 | 37094 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:40 | 2024 Dec 18 21:44 |
| Time of closest approach (UTC) | 2024 Dec 24 17:44:20.884 |
| Minimum distance | 4.917 km |
| Height difference | 1.133 km |
| Relative speed | 14.734 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 59.5°S, 104.2°W |
| Height | 841 km |
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