| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb REX |
| Spacetrack catalog number | 33724 | 21532 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 07:01 | 2024 Dec 23 02:47 |
| Time of closest approach (UTC) | 2024 Dec 25 14:45:28.165 |
| Minimum distance | 4.497 km |
| Height difference | 4.418 km |
| Relative speed | 14.264 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 74.9°N, 87.1°W |
| Height | 823 km |
|