| Primary satellite | Secondary satellite |
| Name | CSL-04 Debris | FENGYUN 1C DEB |
| Spacetrack catalog number | 25733 | 30555 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:21 | 2024 Dec 22 15:13 |
| Time of closest approach (UTC) | 2024 Dec 26 16:17:39.076 |
| Minimum distance | 3.190 km |
| Height difference | -1.928 km |
| Relative speed | 1.168 km/s |
| Angle between velocity vectors | 9° |
| Geographic position | 81.2°S, 159.4°E |
| Height | 850 km |
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