| Primary satellite | Secondary satellite |
| Name | CSL-04 Debris | FENGYUN 1C DEB |
| Spacetrack catalog number | 25733 | 31464 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:21 | 2024 Dec 22 09:20 |
| Time of closest approach (UTC) | 2024 Dec 26 03:35:31.247 |
| Minimum distance | 2.988 km |
| Height difference | 0.536 km |
| Relative speed | 0.615 km/s |
| Angle between velocity vectors | 5° |
| Geographic position | 81.2°N, 173.2°E |
| Height | 854 km |
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