| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42957 | 30731 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 23 03:29 |
| Time of closest approach (UTC) | 2024 Dec 27 05:43:06.879 |
| Minimum distance | 1.787 km |
| Height difference | -1.716 km |
| Relative speed | 14.873 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 46.0°S, 108.7°W |
| Height | 797 km |
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