| Primary satellite | Secondary satellite |
| Name | IRIDIUM 100 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42956 | 30505 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:38 | 2024 Dec 22 15:58 |
| Time of closest approach (UTC) | 2024 Dec 24 20:31:49.399 |
| Minimum distance | 4.178 km |
| Height difference | 4.121 km |
| Relative speed | 14.936 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 6.9°N, 150.8°W |
| Height | 780 km |
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