Perigee: Perigee is the point at which an object makes its closest approach to the Earth. Often the term is used in a broader sense to define the point in an orbit where the orbiting body is closest to the body it orbits.
LDowing RT @esa: RT @esascience: Super Moon! full Moon of 5-6 May is a perigee moon, 14% bigger and 30% brighter than normal http://t.co/6GuvPKc9 (via @NASA)