| Primary satellite | Secondary satellite |
| Name | YUNHAI-1 03 | USA 81 |
| Spacetrack catalog number | 53877 | 21949 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:47 | 2024 Dec 23 02:58 |
| Time of closest approach (UTC) | 2024 Dec 28 14:19:34.589 |
| Minimum distance | 3.243 km |
| Height difference | 3.242 km |
| Relative speed | 3.638 km/s |
| Angle between velocity vectors | 28° |
| Geographic position | 61.2°N, 118.5°W |
| Height | 791 km |
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