| Primary satellite | Secondary satellite |
| Name | deb Feng Yun 1B | IRIDIUM 151 |
| Spacetrack catalog number | 23259 | 43074 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:46 | 2024 Dec 23 02:28 |
| Time of closest approach (UTC) | 2024 Dec 26 09:28:24.388 |
| Minimum distance | 2.993 km |
| Height difference | 2.904 km |
| Relative speed | 14.861 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 64.8°N, 43.0°W |
| Height | 785 km |
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