| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42957 | 33613 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 21 09:44 |
| Time of closest approach (UTC) | 2024 Dec 28 21:40:42.575 |
| Minimum distance | 4.507 km |
| Height difference | -0.424 km |
| Relative speed | 14.922 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 2.7°N, 5.6°E |
| Height | 781 km |
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