| Primary satellite | Secondary satellite |
| Name | IRIDIUM 136 | FENGYUN 1C DEB |
| Spacetrack catalog number | 42962 | 30735 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:05 | 2024 Dec 22 16:08 |
| Time of closest approach (UTC) | 2024 Dec 26 18:14:06.796 |
| Minimum distance | 3.736 km |
| Height difference | 2.302 km |
| Relative speed | 14.937 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 15.1°N, 118.5°W |
| Height | 779 km |
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