| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IRIDIUM 108 |
| Spacetrack catalog number | 36273 | 41924 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 17 18:45 | 2024 Dec 22 20:10 |
| Time of closest approach (UTC) | 2024 Dec 26 04:10:27.547 |
| Minimum distance | 3.718 km |
| Height difference | 2.241 km |
| Relative speed | 10.185 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 79.5°S, 104.0°E |
| Height | 805 km |
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