jan 28, 1055 - Eris
Description:
1) 1 moon.2) Dwarf Planet.
3) Period of Rotation: 0.19 RE.
4) Period of Revolution: 558 years.
5) Temperature: -231 degrees Celsius.
6) Largest known dwarf planet.
Added to timeline:
Date:
jan 28, 1055
Now
~ 971 years ago