| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 DEB |
| Spacetrack catalog number | 31914 | 26155 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:38 | 2024 Dec 22 14:27 |
| Time of closest approach (UTC) | 2024 Dec 29 17:57:06.912 |
| Minimum distance | 1.305 km |
| Height difference | 0.401 km |
| Relative speed | 14.426 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 57.6°N, 19.4°E |
| Height | 696 km |
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