jan 28, 1055 - Eris
Description:
Eris only has 1 moon, and is classified as a Trans-Neptunian dwarf planet. A day on Eris is 25.9 hours. A year on Eris, or a revolution, is 558 years. The average temperature on Eris is equivalent to -390 degrees Fahrenheit. Another interesting fact about Eris is that it was also nicknamed Xena by various astronomers.Added to timeline:
Date:
jan 28, 1055
Now
~ 971 years ago