| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42807 | 30288 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 22 15:51 |
| Time of closest approach (UTC) | 2024 Dec 24 18:47:55.895 |
| Minimum distance | 3.756 km |
| Height difference | 2.704 km |
| Relative speed | 14.857 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 53.2°S, 161.6°W |
| Height | 799 km |
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