To be a planet you have to orbit around the sun.Pluto orbits around the sun like the other planets.Pluto's orbit is inclined at 17-degrees.It takes pluto 248 years to fully orbit around the sun.Because the orbit of Pluto is so wide, it can switch places with Neptune and orbit even closer to the sun.” At its farthest point,Pluto is 39 AU from the sun “ (Cain). AU means astronomical unit. …show more content…
“ Pluto has a mean radius of 715 miles (1,151 kilometers), less than 20 percent that of Earth” (Redd). The diameter of Pluto is 1430 miles.The volume of Pluto is 1.5 billion cubic miles.The density of Pluto is 2.05 grams per cubic meter. Pluto has enough mass to be a round shape. “ Under this criteria,Pluto's low mass does not directly keep it from full planetary status, but the fact that it fails to sweep clean the area surrounding it”(Redd). Its atmospheres has a near surface thickness like about 40