| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 DEB |
| Spacetrack catalog number | 31944 | 26241 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 02:56 | 2024 Dec 22 13:14 |
| Time of closest approach (UTC) | 2024 Dec 24 11:02:33.263 |
| Minimum distance | 1.368 km |
| Height difference | 0.337 km |
| Relative speed | 13.940 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 64.9°S, 106.3°W |
| Height | 779 km |
|