| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34765 | 31442 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:01 | 2024 Dec 22 11:18 |
| Time of closest approach (UTC) | 2024 Dec 26 22:10:39.799 |
| Minimum distance | 1.006 km |
| Height difference | 0.647 km |
| Relative speed | 11.179 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 81.1°S, 90.6°E |
| Height | 780 km |
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