Everything can be run using python assuming the following packages are installed (most are defaults in every python installation):
To create the movie or gif from the output series of png files however,
ffmpeg must also be installed to run
All appropriate settings for the movie creation are listed at the top of
orrery.py and should be documented.
The movie can be recreated with the default settings by running
./makeorrery_movie.sh movie/ orrery_movie.mp4 30