| Primary satellite | Secondary satellite |
| Name | CSL-04 Debris | FENGYUN 1C DEB |
| Spacetrack catalog number | 25733 | 29801 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:21 | 2024 Dec 22 16:57 |
| Time of closest approach (UTC) | 2024 Dec 28 23:29:13.783 |
| Minimum distance | 2.751 km |
| Height difference | 2.498 km |
| Relative speed | 14.278 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 55.5°N, 148.3°E |
| Height | 849 km |
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