| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42807 | 31097 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 22 05:44 |
| Time of closest approach (UTC) | 2024 Dec 27 19:30:11.493 |
| Minimum distance | 4.366 km |
| Height difference | -0.877 km |
| Relative speed | 12.371 km/s |
| Angle between velocity vectors | 112° |
| Geographic position | 81.2°N, 15.3°W |
| Height | 790 km |
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