| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 31068 | 33826 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 17:10 | 2024 Dec 22 10:30 |
| Time of closest approach (UTC) | 2024 Dec 28 10:41:33.238 |
| Minimum distance | 4.172 km |
| Height difference | 2.554 km |
| Relative speed | 3.521 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 25.0°N, 93.0°E |
| Height | 746 km |
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