Right now, you can create a planet, but you need textures for it.
I'm still working on this project. I'm planning to made it more user-friendly and add more features like random planet generation and more.
INFO
These are early tests and not the final version so source code is not available yet for this version.
Early tests for star system in previous versions we have to need texture to create a stars. But now we can create stars without any texture. We can change the color of the star and more.