| 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 09 15:45 | 2021 Apr 09 19:33 |
| Time of closest approach (UTC) | 2021 Feb 28 17:32:20.102 |
| Minimum distance | 3.411 km |
| Height difference | -2.461 km |
| Relative speed | 15.119 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 81.7°N, 137.2°W |
| Height | 620 km |
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