| Primary satellite | Secondary satellite |
| Name | YUNHAI 2 3 | deb Chang Zheng 4 |
| Spacetrack catalog number | 43911 | 20903 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:50 | 2024 Dec 21 23:25 |
| Time of closest approach (UTC) | 2024 Dec 28 13:00:23.423 |
| Minimum distance | 1.038 km |
| Height difference | -0.749 km |
| Relative speed | 10.889 km/s |
| Angle between velocity vectors | 94° |
| Geographic position | 49.6°S, 89.7°E |
| Height | 813 km |
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