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jan 28, 1339 - Eris

Description:

Eris is a terrestrial dwarf planet, that is located further than the Kuiper Belt . It has one moon. Its period of rotation is about 8 hours. Its period of revolution is 558 days. The average temperature there is about -231 Celsius. It is also the coldest dwarf planet in the solar system.

Added to timeline:

Date:

jan 28, 1339
Now
~ 687 years ago