Apogean Full Moon. Does tonight's full Moon look smaller than usual? It is! This full Moon occurs within 32 hours of apogee, when the Moon is at its greatest distance from the Earth--in this case more than 63 Earth radii. If you could compare the Moon at perigee and apogee the difference would be obvious, but without any reference, most people never notice this. See our Inconstant Moon for details. If you're interested in taking your own photos of the Moon at apogee and perigee, shoot the apogee tonight. The next perigean full Moon opportunities occur on March 19th, April 17th, and May 15th 2004; use our Perigee and Apogee Calculator to explore further.