| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 100 |
| Spacetrack catalog number | 29773 | 42956 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:12 | 2024 Dec 23 02:38 |
| Time of closest approach (UTC) | 2024 Dec 27 05:02:54.426 |
| Minimum distance | 6.385 km |
| Height difference | -1.538 km |
| Relative speed | 12.128 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 81.1°S, 53.9°E |
| Height | 809 km |
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