| Primary satellite | Secondary satellite |
| Name | AQUARIUS | ORBCOMM FM 38 |
| Spacetrack catalog number | 37673 | 33060 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 13 00:32 | 2021 Apr 13 02:06 |
| Time of closest approach (UTC) | 2021 Mar 06 03:22:35.422 |
| Minimum distance | 4.413 km |
| Height difference | -4.156 km |
| Relative speed | 9.927 km/s |
| Angle between velocity vectors | 82° |
| Geographic position | 45.6°N, 48.6°E |
| Height | 658 km |
|