Sunday's supermoon as it rises over Ram Island Light

The Dec. 3 full moon is the first of three consecutive supermoons.

The 1st supermoon which occurred on Sunday was part of a trilogy of supermoons and it will reappear on January 1 and January 31 next year, NASA said.

In this December 2, 2017 photo the moon shines behind a man dressed in a Santa Claus costume flying on a trike and motor glider near Sieversdorf, Germany. It was the best supermoon of 2017; although our closest neighbour had passed by just as near earlier this year, the moon wasn't full and so it couldn't properly be seen. Sunday night the moon will shine 16% brighter and appear 7% larger than its usual size.

Supermoons usually seem 14 percent larger and 30 percent brighter than the average moon, according to Petro. Know why and when a moon is called a supermoon.

The supermoon on January 31 will feature a total lunar eclipse, with totality viewable from western North America across the pacific to Eastern Asia.

A moon sets Monday, Dec. 4, 2017, behind Universal's Volcano Bay in Orlando, Fla. Therefore, the long axis of the moon's elliptical path around the planet points in different directions, indicating that a new or full moon will not always occur at perigee or apogee.

The December full moon is also referred to as the "cold moon".

An interesting pattern appears when you map out the motion of the moon relative to the Earth (apogee/perigee) and relative to the Sun (lunation or phases like full, new, etc.).

A Supermoon is about 40,000 kilometers (~24,855 miles) closer to Earth, on average, than a micromoon, when the moon is at its furthest distance from us.


  • Rogelio Becker