| Primary satellite | Secondary satellite |
| Name | TIANMU-1 13 | AO-91 |
| Spacetrack catalog number | 58647 | 43017 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:48 | 2024 Dec 23 02:32 |
| Time of closest approach (UTC) | 2024 Dec 28 09:18:27.911 |
| Minimum distance | 2.132 km |
| Height difference | -1.629 km |
| Relative speed | 14.660 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 62.2°N, 19.0°W |
| Height | 515 km |
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