| Primary satellite | Secondary satellite |
| Name | YUNHAI 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 41857 | 30978 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:00 | 2024 Dec 19 09:52 |
| Time of closest approach (UTC) | 2024 Dec 25 22:03:33.336 |
| Minimum distance | 4.116 km |
| Height difference | 4.085 km |
| Relative speed | 5.774 km/s |
| Angle between velocity vectors | 46° |
| Geographic position | 80.9°N, 129.8°W |
| Height | 792 km |
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