| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34690 | 35144 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:35 | 2024 Dec 21 17:21 |
| Time of closest approach (UTC) | 2024 Dec 23 15:23:25.034 |
| Minimum distance | 3.877 km |
| Height difference | 3.663 km |
| Relative speed | 11.162 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 81.0°S, 156.3°W |
| Height | 755 km |
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