| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CZ-4B R/B |
| Spacetrack catalog number | 31357 | 37782 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 14:11 | 2024 Dec 23 11:18 |
| Time of closest approach (UTC) | 2024 Dec 27 21:01:24.952 |
| Minimum distance | 1.283 km |
| Height difference | -0.433 km |
| Relative speed | 14.025 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 60.0°N, 30.2°W |
| Height | 874 km |
|