| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 Rocket | CANX-6 |
| Spacetrack catalog number | 17912 | 32784 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 11 14:42 | 2021 Apr 11 08:42 |
| Time of closest approach (UTC) | 2021 Feb 28 19:09:20.438 |
| Minimum distance | 2.716 km |
| Height difference | -2.358 km |
| Relative speed | 15.119 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 81.4°N, 164.6°W |
| Height | 620 km |
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