| Primary satellite | Secondary satellite |
| Name | AO-91 | TIANMU-1 13 |
| Spacetrack catalog number | 43017 | 58647 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:44 | 2024 Dec 22 19:59 |
| Time of closest approach (UTC) | 2024 Dec 28 09:18:28.625 |
| Minimum distance | 3.622 km |
| Height difference | 1.532 km |
| Relative speed | 14.660 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 62.3°N, 19.0°W |
| Height | 514 km |
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