Table 2-2: AVERAGE DISTANCES OF THE PLANETS FROM THE SUN
Measurement (AU)
By CopernicusModern
Mercury    0.38    0.39
Venus    0.72    0.72
Earth    1.00    1.00
Mars    1.52    1.52
Jupiter    5.22    5.20
Saturn    9.07    9.54
UranusUnknown  19.19
NeptuneUnknown  30.06