| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42957 | 30500 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 22 11:28 |
| Time of closest approach (UTC) | 2024 Dec 24 07:01:43.386 |
| Minimum distance | 4.057 km |
| Height difference | 1.425 km |
| Relative speed | 14.932 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 32.2°N, 130.2°W |
| Height | 782 km |
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