| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42807 | 36736 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 20 10:38 |
| Time of closest approach (UTC) | 2024 Dec 23 18:24:24.018 |
| Minimum distance | 2.355 km |
| Height difference | -2.337 km |
| Relative speed | 14.565 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 76.9°N, 15.0°E |
| Height | 790 km |
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