| Primary satellite | Secondary satellite |
| Name | SJ-11-05 | Tzinghua 1 |
| Spacetrack catalog number | 39202 | 26385 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:00 | 2024 Dec 22 22:42 |
| Time of closest approach (UTC) | 2024 Dec 27 18:01:47.200 |
| Minimum distance | 1.963 km |
| Height difference | -1.757 km |
| Relative speed | 14.858 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 21.4°N, 163.3°E |
| Height | 684 km |
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