The velocity of Jupiter in its orbit around the Sun (or a significant portion of it) is added to velocity vector of the spacecraft, as shown in the two vector diagrams. This was used to advantage duri...The velocity of Jupiter in its orbit around the Sun (or a significant portion of it) is added to velocity vector of the spacecraft, as shown in the two vector diagrams. This was used to advantage during the Apollo missions to the Moon, when this type of gravity assist maneuver with the Moon was used to reduce the amount of fuel needed to place the spacecraft into lunar orbit (Fig. \(\PageIndex{3}\)).
