| Primary satellite | Secondary satellite |
| Name | Iridium 69 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25319 | 30873 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:00 | 2024 Dec 21 23:39 |
| Time of closest approach (UTC) | 2024 Dec 25 05:00:51.469 |
| Minimum distance | 3.678 km |
| Height difference | 3.662 km |
| Relative speed | 14.804 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 71.2°S, 11.1°W |
| Height | 783 km |
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