| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | FENGYUN 1C DEB |
| Spacetrack catalog number | 20888 | 30560 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:47 | 2024 Dec 22 22:40 |
| Time of closest approach (UTC) | 2024 Dec 26 05:59:51.693 |
| Minimum distance | 0.393 km |
| Height difference | -0.372 km |
| Relative speed | 14.481 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 18.9°S, 176.2°E |
| Height | 924 km |
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