| Primary satellite | Secondary satellite |
| Name | CAS-6 | Macsat 2 |
| Spacetrack catalog number | 44881 | 20608 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2021 Feb 28 01:08 | 2021 Feb 27 22:36 |
| Time of closest approach (UTC) | 2021 Jan 20 03:52:33.411 |
| Minimum distance | 11.749 km |
| Height difference | 2.521 km |
| Relative speed | 14.526 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 75.3°N, 134.5°E |
| Height | 631 km |
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