| Primary satellite | Secondary satellite |
| Name | Sich 1 | ANDESITE |
| Spacetrack catalog number | 23657 | 45726 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 21:18 | 2021 Apr 16 17:34 |
| Time of closest approach (UTC) | 2021 Mar 07 22:45:21.931 |
| Minimum distance | 16.539 km |
| Height difference | 4.430 km |
| Relative speed | 15.084 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 82.4°S, 160.6°W |
| Height | 622 km |
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