| Primary satellite | Secondary satellite |
| Name | CSL-04 Debris | FENGYUN 1C DEB |
| Spacetrack catalog number | 25733 | 30947 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:21 | 2024 Dec 23 02:15 |
| Time of closest approach (UTC) | 2024 Dec 26 10:37:42.640 |
| Minimum distance | 2.781 km |
| Height difference | -2.573 km |
| Relative speed | 14.569 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 35.2°N, 25.5°W |
| Height | 844 km |
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