| Primary satellite | Secondary satellite |
| Name | IRIDIUM 136 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42962 | 30507 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:05 | 2024 Dec 22 15:40 |
| Time of closest approach (UTC) | 2024 Dec 27 09:31:44.062 |
| Minimum distance | 1.412 km |
| Height difference | -1.376 km |
| Relative speed | 14.889 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 63.2°N, 17.3°E |
| Height | 787 km |
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