The point in its orbit when a planet satellite (usually the moon) is nearest the earth
Part of Speech
- point of apoapsis
- Scientists can track the perigee of the moon to know exactly when it is closest to Earth.
- To find out how far away a planet is away from earth, scientists can observe its perigee of when it was closet to earth.
Perigee-Syzygy Moon 2013 (Super Moon) all you need to know