What Is The Average Distance Semimajor Axis From The Sun?

What Is The Average Distance Semimajor Axis From The Sun? What its average distance (semimajor axis) from the Sun? Eris’s semimajor axis = 67.7 a.u. The dwarf planet Eris orbits the Sun every 557 years. Is the semimajor axis the average distance? Average distance It is often said that the semi-major axis is the “average”