| Primary satellite | Secondary satellite |
| Name | SHIYUAN | IRIDIUM 153 |
| Spacetrack catalog number | 37931 | 43078 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:02 | 2024 Dec 22 21:22 |
| Time of closest approach (UTC) | 2024 Dec 24 01:27:58.987 |
| Minimum distance | 3.900 km |
| Height difference | 3.752 km |
| Relative speed | 14.400 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 78.3°S, 23.7°E |
| Height | 803 km |
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