| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30492 | 33973 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:32 | 2024 Dec 22 14:47 |
| Time of closest approach (UTC) | 2024 Dec 26 12:47:42.499 |
| Minimum distance | 2.732 km |
| Height difference | -0.892 km |
| Relative speed | 15.018 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 32.4°S, 100.6°E |
| Height | 725 km |
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