| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42957 | 30267 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 23 02:58 |
| Time of closest approach (UTC) | 2024 Dec 29 13:37:21.606 |
| Minimum distance | 2.967 km |
| Height difference | 2.057 km |
| Relative speed | 14.935 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 5.0°N, 54.0°W |
| Height | 779 km |
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