| Primary satellite | Secondary satellite |
| Name | IRIDIUM 152 | FENGYUN 1C DEB |
| Spacetrack catalog number | 43479 | 30873 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:27 | 2024 Dec 21 23:39 |
| Time of closest approach (UTC) | 2024 Dec 29 19:04:16.343 |
| Minimum distance | 4.688 km |
| Height difference | -1.945 km |
| Relative speed | 7.288 km/s |
| Angle between velocity vectors | 58° |
| Geographic position | 77.1°S, 122.8°E |
| Height | 807 km |
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