pluto experiences drastic season changes due to an elliptical orbit (that takes 250 earth years).
pluto experiences drastic season changes due to an elliptical orbit (that takes 250 earth years).
pluto:113
the semi-major axis of pluto's orbit varies between about 39.3 and 39.6 au with a period of about 19,951 years, corresponding to an orbital period varying between 246 and 249 years.