| Primary satellite | Secondary satellite |
| Name | IRIDIUM 100 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42956 | 41830 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:38 | 2024 Dec 22 02:54 |
| Time of closest approach (UTC) | 2024 Dec 27 20:29:04.219 |
| Minimum distance | 4.442 km |
| Height difference | 3.076 km |
| Relative speed | 14.928 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 3.2°S, 155.0°W |
| Height | 781 km |
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