jan 29, 1624 - Pluto
Description:
1) 5 moons.2) Dwarf Planet
3) Period of Rotation: 6.39 days.
4) Period of Revolution: 248 years.
5) Temperature: -223 degrees Celsius.
6) Has a heart shaped region called Sputnik Planum.
Added to timeline:
Date:
jan 29, 1624
Now
~ 402 years ago