Orrery - Planetary Sytem Model Generator with Geometry Nodes

Had some time to finally dive into a geometry nodes project. Still blown away by whats possible & baffled by some of the math/why some things work.

Rotation can be uniform or based on orbit radius. Random start points as well:

So much of the base is controllable. Those arms were by far the hardest part:

Base/Rings can be toggled on or off: