When are the supermoons of 2015?
The new moon or full moon has to come within 361,836 kilometers (224,834 miles) of our planet, as measured from the centers of the moon and Earth, in order to be considered a supermoon.
In 2015, there is a total of six supermoons.
New moon of January 20. New moon of February 18. New moon of March 20. Full moon of August 29. Full moon of September 28. Full moon of October 27.
The full moon on September 28, 2015, will present the closest supermoon of the year (356,896 kilometers or 221,754 miles).