| Primary satellite | Secondary satellite |
| Name | deb Feng Yun 1B | IRIDIUM 120 |
| Spacetrack catalog number | 23259 | 42805 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:46 | 2024 Dec 23 02:37 |
| Time of closest approach (UTC) | 2024 Dec 28 13:29:47.804 |
| Minimum distance | 4.251 km |
| Height difference | 4.227 km |
| Relative speed | 14.894 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 56.9°N, 108.6°W |
| Height | 782 km |
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