| Primary satellite | Secondary satellite |
| Name | TIANMU-1 08 | H-2A DEB |
| Spacetrack catalog number | 57400 | 38345 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:31 | 2024 Dec 23 10:17 |
| Time of closest approach (UTC) | 2024 Dec 23 22:33:23.555 |
| Minimum distance | 3.123 km |
| Height difference | -2.135 km |
| Relative speed | 11.653 km/s |
| Angle between velocity vectors | 100° |
| Geographic position | 77.8°S, 123.1°E |
| Height | 525 km |
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