This simulation shows the transit of Jupiter and its Galilean moons, as seen from Saturn in the year -939.
If you set the simulation running, you can watch Jupiter and the four moons transiting the Sun. Since different computers run at different speeds, you may need to edit the evolution time step to get the simulation to run at an acceptable rate.
The positions of the Galilean moons are probably very inaccurate, because AstroGrav is unable to calculate them accurately such a long time from the present.
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