| Primary satellite | Secondary satellite |
| Name | AO-27 | SHIYAN 20A (SY-20A) |
| Spacetrack catalog number | 22825 | 54699 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:17 | 2024 Dec 22 21:40 |
| Time of closest approach (UTC) | 2024 Dec 28 00:29:08.800 |
| Minimum distance | 1.977 km |
| Height difference | -1.108 km |
| Relative speed | 14.346 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 44.3°N, 141.9°E |
| Height | 796 km |
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