| Primary satellite | Secondary satellite |
| Name | YUNHAI 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 41857 | 30720 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:00 | 2024 Dec 22 21:49 |
| Time of closest approach (UTC) | 2024 Dec 24 21:38:03.863 |
| Minimum distance | 3.981 km |
| Height difference | -0.671 km |
| Relative speed | 14.264 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 58.4°S, 111.9°E |
| Height | 804 km |
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