| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CHUANG XIN 1-04 |
| Spacetrack catalog number | 33603 | 40137 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:03 | 2024 Dec 23 11:35 |
| Time of closest approach (UTC) | 2024 Dec 25 10:13:29.211 |
| Minimum distance | 2.272 km |
| Height difference | -2.046 km |
| Relative speed | 10.751 km/s |
| Angle between velocity vectors | 93° |
| Geographic position | 77.3°S, 146.1°E |
| Height | 808 km |
|