| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42807 | 30313 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 22 18:35 |
| Time of closest approach (UTC) | 2024 Dec 25 04:43:10.620 |
| Minimum distance | 2.875 km |
| Height difference | -1.748 km |
| Relative speed | 14.094 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 79.6°S, 33.9°E |
| Height | 807 km |
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