Semimajor Axis

 

Major Planet	Semimajor Axis (AU)
Mercury	0.39
Venus	0.72
Earth	1
Mars	1.52
Jupiter	5.2
Saturn	9.54
Uranus	19.19
Neptune	30.06

Well-Studied Dwarf Planet	Semimajor Axis (AU)
Ceres	2.77
Pluto	39.5
Haumea	43.1
Makemake	45.8
Eris	68