| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 DEB |
| Spacetrack catalog number | 36148 | 26449 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 09:27 | 2024 Dec 22 15:55 |
| Time of closest approach (UTC) | 2024 Dec 25 22:45:27.073 |
| Minimum distance | 4.905 km |
| Height difference | -0.006 km |
| Relative speed | 14.762 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 38.4°S, 20.5°W |
| Height | 769 km |
|