| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 147 |
| Spacetrack catalog number | 30072 | 43480 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:52 | 2024 Dec 23 09:39 |
| Time of closest approach (UTC) | 2024 Dec 24 00:09:58.955 |
| Minimum distance | 2.477 km |
| Height difference | -2.284 km |
| Relative speed | 14.834 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 60.8°S, 45.0°E |
| Height | 805 km |
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