E100P0507A01 - nbody01
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This built on top of E100P0507A00 , and added the rest of the planets to the solar system. All planets are orbiting in perfect circles, as I didn’t want to try and calculate how eccentricity would affect the starting tangential velocity (that would require calculus! Yuck!). It also migrated to C++ instead of C.
Below you can see the Earth-moon system orbiting around the Sun, with Mercury faintly visible orbiting the Sun. I made Mercury about 250 times bigger but it’s still barely visible from earth at this perspective.