| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 DEB |
| Spacetrack catalog number | 30905 | 26168 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 10:35 | 2024 Dec 22 15:14 |
| Time of closest approach (UTC) | 2024 Dec 24 13:07:23.182 |
| Minimum distance | 3.150 km |
| Height difference | 1.898 km |
| Relative speed | 5.974 km/s |
| Angle between velocity vectors | 48° |
| Geographic position | 80.3°S, 154.9°W |
| Height | 874 km |
|