| Primary satellite | Secondary satellite |
| Name | YUNHAI 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 41857 | 30089 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:00 | 2024 Dec 22 16:39 |
| Time of closest approach (UTC) | 2024 Dec 28 13:48:27.799 |
| Minimum distance | 4.265 km |
| Height difference | -3.779 km |
| Relative speed | 12.354 km/s |
| Angle between velocity vectors | 112° |
| Geographic position | 74.4°N, 84.0°W |
| Height | 790 km |
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