| Primary satellite | Secondary satellite |
| Name | UGATUSAT | WESTPAC |
| Spacetrack catalog number | 35869 | 25398 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2023 Sep 29 20:37 | 2023 Sep 29 11:43 |
| Time of closest approach (UTC) | 2023 Jun 12 16:30:47.642 |
| Minimum distance | 238.759 km |
| Height difference | 3.005 km |
| Relative speed | 1.413 km/s |
| Angle between velocity vectors | 11° |
| Geographic position | 80.9°S, 48.5°E |
| Height | 842 km |
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