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curranms030238

I think it was based off the Earth because at that time they thought Earth was the center of the solar system. This answer is best supported by answers and google

Please mark brainiest if I helped.

AnnSusan

Plato first proposed that the planets followed perfect circular orbits around the Earth. Later, Heraclides (330 B.C.) developed the first Solar System model, placing the planets in order from the Earth it was is now called the geocentric solar system model

good job