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Q&A Calculating eclipse periods

I'm making a simple planetary system with a primary similar to our sun and a planet like our earth. This earth analog has a moon similar to our moon, just smaller and closer. How do I calculate ...

2 answers  ·  posted 6y ago by nAUTILUS‭  ·  last activity 6y ago by nAUTILUS‭

Question planets orbital-mechanics