| Primary satellite | Secondary satellite |
| Name | IRIDIUM 174 | GAOFEN 2 |
| Spacetrack catalog number | 56728 | 40118 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:59 | 2024 Dec 23 09:06 |
| Time of closest approach (UTC) | 2024 Dec 26 12:00:43.041 |
| Minimum distance | 4.813 km |
| Height difference | -0.854 km |
| Relative speed | 15.035 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 63.6°N, 120.8°E |
| Height | 638 km |
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