| Primary satellite | Secondary satellite |
| Name | Iridium 69 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25319 | 30104 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:00 | 2024 Dec 23 12:34 |
| Time of closest approach (UTC) | 2024 Dec 26 20:01:33.908 |
| Minimum distance | 2.364 km |
| Height difference | 2.258 km |
| Relative speed | 5.393 km/s |
| Angle between velocity vectors | 42° |
| Geographic position | 73.0°N, 143.8°E |
| Height | 769 km |
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