Definition of swingby in US English:



  • A change in the flight path of a spacecraft using the gravitational pull of a celestial body.

    Compare with slingshot
    • ‘This will be the first time lunar swingbys have been used to manipulate orbits of more than one spacecraft.’
    • ‘Of course, nothing eventful happened with our Earth swingby.’
    • ‘A swingby is efficient and cost-effective.’
    • ‘The current controversy concerning Cassini's upcoming Earth swingby centers on the risk of the spacecraft accidentally re-entering the Earth's atmosphere.’