The first, seen directly below, is the randomizing version. You should see the field below the buttons grow when you select a planet. Each part contains workable code you can run locally on your machine. All this info can be edited if you'd like, but if you really want to customize everything, I recommend the fully customizable part further down below. For example, in order to calculate planetary positions, you will first need to convert the commonly known Gregorian date into a Julian date. Along the way you'll also learn a thing or two about Celestial Mechanics. rendering Sun at center of canvas), Used for moving graphical elements (e.g. The planets in order:

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