In Galileo's case, TrajTool gives navigators instant measurements on the spacecraft's distance from Jupiter, any of its moons or Earth.
(TrajTool; gives; navigators; instant measurements on the spacecraft's distance from Jupiter; L:In Galileo's case) (TrajTool; [is] case [of]; Galileo)
TrajTool TrajTool
gives [is] case [of]
navigators instant measurements on the spacecraft's distance from Jupiter L:In Galileo's case
Galileo