| Primary satellite | Secondary satellite |
| Name | ALOS | ORBCOMM FM 106 |
| Spacetrack catalog number | 28931 | 40088 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:48 | 2021 Jan 17 21:01 |
| Time of closest approach (UTC) | 2020 Dec 05 22:00:26.407 |
| Minimum distance | 2.053 km |
| Height difference | 0.420 km |
| Relative speed | 13.545 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 39.3°N, 93.3°W |
| Height | 691 km |
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