| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34765 | 29819 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:01 | 2024 Dec 22 23:39 |
| Time of closest approach (UTC) | 2024 Dec 27 21:20:07.799 |
| Minimum distance | 1.783 km |
| Height difference | 0.669 km |
| Relative speed | 14.956 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 53.6°S, 49.3°W |
| Height | 777 km |
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