Realistic planet orbits

Dynamic orbiter will calculate the x, y, z coordinates of a celestial object relative to the parent body using six orbital parameters that are a function of time. It will create elliptical orbits (oval) as well as inclination.
 * The unit of the coordinates returned are the units of the semi-major axis. If the semi-major axis is inputed as AU,
 * the coordinates will be in AU. Some conversion may be needed. 
 * 
 * A lot of variables are being created for this. Some work will be needed to make this less pythonic and more java as well as speed improvements. This will need to be run per body per tick.
 * 
 * Source website: http://stjarnhimlen.se/comp/tutorial.html