| 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 05 20:45:46.071 |
| Minimum distance | 1.697 km |
| Height difference | -1.578 km |
| Relative speed | 15.102 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 65.7°S, 67.1°W |
| Height | 620 km |
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