| Primary satellite | Secondary satellite |
| Name | YUNHAI 1 | IRIDIUM 141 |
| Spacetrack catalog number | 41857 | 43077 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:00 | 2024 Dec 23 01:51 |
| Time of closest approach (UTC) | 2024 Dec 26 23:37:45.897 |
| Minimum distance | 1.801 km |
| Height difference | -0.454 km |
| Relative speed | 14.915 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 0.8°S, 96.1°E |
| Height | 781 km |
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