| Primary satellite | Secondary satellite |
| Name | YUNHAI 2 3 | Star 26B S/N 001? |
| Spacetrack catalog number | 43911 | 5556 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:50 | 2024 Dec 22 20:10 |
| Time of closest approach (UTC) | 2024 Dec 29 22:21:43.257 |
| Minimum distance | 3.417 km |
| Height difference | 3.349 km |
| Relative speed | 13.931 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 36.4°S, 121.7°W |
| Height | 808 km |
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