| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Chang Zheng 4 |
| Spacetrack catalog number | 29944 | 20912 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:22 | 2024 Dec 22 22:55 |
| Time of closest approach (UTC) | 2024 Dec 25 11:23:34.108 |
| Minimum distance | 2.413 km |
| Height difference | 2.303 km |
| Relative speed | 12.100 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 74.9°N, 56.9°W |
| Height | 780 km |
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