| Primary satellite | Secondary satellite |
| Name | USA 229 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 37391 | 30579 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 17:29 | 2024 Dec 22 14:31 |
| Time of closest approach (UTC) | 2024 Dec 24 01:07:18.646 |
| Minimum distance | 3.514 km |
| Height difference | 3.483 km |
| Relative speed | 14.594 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 32.3°S, 91.8°E |
| Height | 923 km |
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