| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | FengYun 1-2 BY |
| Spacetrack catalog number | 31914 | 20915 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:38 | 2024 Dec 22 23:03 |
| Time of closest approach (UTC) | 2024 Dec 23 15:28:15.756 |
| Minimum distance | 3.086 km |
| Height difference | -0.115 km |
| Relative speed | 14.528 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 34.6°S, 35.2°E |
| Height | 843 km |
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