Gravity Assist

Definition

Gravity assist, also known as a gravitational slingshot or swing-by maneuver, is a technique used in space exploration to increase or decrease the speed and trajectory of a spacecraft by utilizing the gravitational pull of a planet or other celestial body.

Related terms

Orbital Maneuver: An orbital maneuver refers to any change in the orbit of a spacecraft, including adjustments made using gravity assist.

Escape Velocity: Escape velocity is the minimum velocity an object needs to escape the gravitational pull of another object.

Hohmann Transfer Orbit: A Hohmann transfer orbit is an elliptical path used to transfer between two circular orbits at different altitudes or inclinations. It can be optimized using gravity assists.