| Primary satellite | Secondary satellite |
| Name | NOAA 6 | Cosmos 1850 Rocket |
| Spacetrack catalog number | 11416 | 18096 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 14 12:56 | 2021 Apr 14 13:21 |
| Time of closest approach (UTC) | 2021 Mar 06 20:07:23.797 |
| Minimum distance | 6.317 km |
| Height difference | -4.877 km |
| Relative speed | 14.912 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 3.4°N, 144.8°E |
| Height | 775 km |
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