The description of GrandTour - Play With New Friends
GRANDTOUR creates accurate wireframe scenes from Voyager or Giotto spacecraft, and from space or Earth (spacecraft visible). User has considerable control over time, field, etc., and many frames/second are generated. Developed at JPL to assist in analysis of science and optical navigation data, it was also filmed by the BBC/NOVA for a Voyager documentary. Conveniently runs from any Windows/DOS.