| Primary satellite | Secondary satellite |
| Name | ALOS | THOR BURNER 2A DEB |
| Spacetrack catalog number | 28931 | 28592 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:48 | 2021 Jan 17 07:49 |
| Time of closest approach (UTC) | 2020 Dec 05 00:34:43.813 |
| Minimum distance | 85.887 km |
| Height difference | 3.401 km |
| Relative speed | 14.825 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 20.5°N, 128.3°W |
| Height | 688 km |
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