Earth Moon Distance
Name: marjorie e smith
Date: 1993 - 1999
How far away is the moon from the earth?
A good "rule of thumb" value to remember is a quarter million miles.
More precisely, the Moon's orbit is elliptical: its average orbital
radius is 384401 km, apogee (farthest distance from the Earth) is
406700 km, and perigee (distance of closest approach to the Earth)
is 356400 km.
Extra credit: what do we call the closest and farthest orbital
distances of planets around the Sun? (hint: they begin with peri-
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Update: June 2012