The original Kepler program source we had was in C++, it has since been translated into other programming languages as an exercise. The other tabs contain the original source code and an example of the command line output (for Mars).

There is also an Excel sheet which exceutes the same process as a comparison and it includes a visual plot of the orbit from the caluclated data for Mars.

Kepler Orbits in Excel

The Excel Kepler output:


 

  Example screen shot of Kepler Orbits code running in C++. This is a macOS command line program.