| Primary satellite | Secondary satellite |
| Name | YUNHAI 1-04 | IRIDIUM 171 |
| Spacetrack catalog number | 58073 | 43929 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:59 | 2024 Dec 22 16:30 |
| Time of closest approach (UTC) | 2024 Dec 27 08:10:20.361 |
| Minimum distance | 2.112 km |
| Height difference | -1.918 km |
| Relative speed | 14.798 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 67.4°S, 172.1°W |
| Height | 806 km |
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