| Primary satellite | Secondary satellite |
| Name | CSL-04 Debris | FENGYUN 1C DEB |
| Spacetrack catalog number | 25733 | 30464 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:21 | 2024 Dec 22 17:49 |
| Time of closest approach (UTC) | 2024 Dec 27 11:45:47.048 |
| Minimum distance | 4.866 km |
| Height difference | -0.282 km |
| Relative speed | 0.990 km/s |
| Angle between velocity vectors | 8° |
| Geographic position | 81.2°N, 51.6°E |
| Height | 854 km |
|