| Primary satellite | Secondary satellite |
| Name | IRIDIUM 100 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42956 | 30339 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:38 | 2024 Dec 23 04:22 |
| Time of closest approach (UTC) | 2024 Dec 27 07:35:50.674 |
| Minimum distance | 2.374 km |
| Height difference | 2.356 km |
| Relative speed | 14.701 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 73.4°N, 152.9°W |
| Height | 789 km |
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