| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42957 | 31622 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 22 21:09 |
| Time of closest approach (UTC) | 2024 Dec 29 03:13:03.588 |
| Minimum distance | 2.585 km |
| Height difference | -2.400 km |
| Relative speed | 14.729 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 71.8°S, 91.4°E |
| Height | 805 km |
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