| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP B5D2-5 |
| Spacetrack catalog number | 35123 | 20978 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 17 17:10 | 2024 Dec 23 03:52 |
| Time of closest approach (UTC) | 2024 Dec 25 05:25:29.615 |
| Minimum distance | 2.734 km |
| Height difference | -0.455 km |
| Relative speed | 12.709 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 72.7°S, 19.2°E |
| Height | 837 km |
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