| Primary satellite | Secondary satellite |
| Name | IRIDIUM 174 | FENGYUN 1C DEB |
| Spacetrack catalog number | 56728 | 32184 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:59 | 2024 Dec 23 06:20 |
| Time of closest approach (UTC) | 2024 Dec 24 23:25:18.326 |
| Minimum distance | 8.742 km |
| Height difference | 3.661 km |
| Relative speed | 12.943 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 82.0°S, 111.5°E |
| Height | 658 km |
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