| Primary satellite | Secondary satellite |
| Name | AQUARIUS | SDS-1 |
| Spacetrack catalog number | 37673 | 33494 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 13 00:32 | 2021 Apr 13 03:21 |
| Time of closest approach (UTC) | 2021 Mar 04 02:28:16.257 |
| Minimum distance | 6.194 km |
| Height difference | 3.309 km |
| Relative speed | 14.756 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 45.3°N, 62.1°E |
| Height | 658 km |
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