| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 Rocket |
| Spacetrack catalog number | 37900 | 25732 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 03:03 | 2024 Dec 23 03:41 |
| Time of closest approach (UTC) | 2024 Dec 23 20:48:20.787 |
| Minimum distance | 4.762 km |
| Height difference | -0.684 km |
| Relative speed | 10.734 km/s |
| Angle between velocity vectors | 92° |
| Geographic position | 74.7°N, 150.1°W |
| Height | 835 km |
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