| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 DEB |
| Spacetrack catalog number | 29948 | 26211 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:50 | 2024 Dec 23 06:15 |
| Time of closest approach (UTC) | 2024 Dec 25 18:04:19.167 |
| Minimum distance | 0.853 km |
| Height difference | 0.805 km |
| Relative speed | 13.191 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 71.2°N, 42.3°W |
| Height | 862 km |
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