| Primary satellite | Secondary satellite |
| Name | TIANMU-1 08 | AO-85 |
| Spacetrack catalog number | 57400 | 40967 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:31 | 2024 Dec 23 12:43 |
| Time of closest approach (UTC) | 2024 Dec 25 03:06:57.869 |
| Minimum distance | 3.772 km |
| Height difference | -2.334 km |
| Relative speed | 11.612 km/s |
| Angle between velocity vectors | 99° |
| Geographic position | 64.6°S, 73.2°W |
| Height | 523 km |
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