| Primary satellite | Secondary satellite |
| Name | SHIYAN 20A (SY-20A) | YUNHAI 2 4 |
| Spacetrack catalog number | 54699 | 43912 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:25 | 2024 Dec 23 08:41 |
| Time of closest approach (UTC) | 2024 Dec 26 07:59:13.007 |
| Minimum distance | 4.412 km |
| Height difference | -4.302 km |
| Relative speed | 12.146 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 8.7°N, 7.5°E |
| Height | 800 km |
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