| Primary satellite | Secondary satellite |
| Name | YUNHAI-1 03 | IRIDIUM 142 |
| Spacetrack catalog number | 53877 | 43256 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:47 | 2024 Dec 22 10:15 |
| Time of closest approach (UTC) | 2024 Dec 25 19:57:08.453 |
| Minimum distance | 4.292 km |
| Height difference | -2.164 km |
| Relative speed | 14.659 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 74.9°S, 107.8°E |
| Height | 808 km |
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