| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 31071 | 33862 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 08:56 | 2024 Dec 23 01:36 |
| Time of closest approach (UTC) | 2024 Dec 24 21:02:52.866 |
| Minimum distance | 3.997 km |
| Height difference | -3.938 km |
| Relative speed | 14.404 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 78.3°S, 125.0°E |
| Height | 716 km |
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