| Primary satellite | Secondary satellite |
| Name | Sich 1 | TISAT 1 |
| Spacetrack catalog number | 23657 | 36799 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 10 13:25 | 2021 Apr 10 12:01 |
| Time of closest approach (UTC) | 2021 Mar 06 06:23:03.813 |
| Minimum distance | 9.973 km |
| Height difference | -4.591 km |
| Relative speed | 15.075 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 79.9°S, 117.4°E |
| Height | 622 km |
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