| Primary satellite | Secondary satellite |
| Name | ALOS | HINODE (SOLAR B) |
| Spacetrack catalog number | 28931 | 29479 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 11 20:46 | 2021 Apr 11 14:38 |
| Time of closest approach (UTC) | 2021 Mar 05 19:19:49.000 |
| Minimum distance | 3619.620 km |
| Height difference | 6.342 km |
| Relative speed | 6.030 km/s |
| Angle between velocity vectors | 47° |
| Geographic position | 70.1°N, 71.9°W |
| Height | 697 km |
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