A supermoon only occurs when a full moon coincidentally falls during the period when the moon is the closest distance from Earth during its orbit.
It'll be a site to see on Sunday night when the full moon comes out as it'll be our only Supermoon of 2017.
In December, the moon will be closest to the Earth on December 4 at 2.15 pm (IST), when it will be 3,57, 492 km away from Earth.
The moon will look a little bigger and brighter than usual this weekend. That means during each month the moon is sometimes passing closer to the earth than others.
According to Metservice, most Kiwis will get a good view of the supermoon on Monday night. Time your viewing for just after local sunset, National Geographic suggests, when the "moon illusion" will make the orb look especially large and vibrant.
Super "Frost" moon this weekend
"The supermoon is a 16-inch pizza compared with a 15-inch pizza", he says. Supermoons are set to occur twice in January, on the 2nd and 31st.
Fortunately, Tyson's word isn't gospel, whether we're talking about supermoons, dwarf planets or adjectives vs. nouns.
If you don't think you'll want to leave the comfort of your own home to view the celestial event, there will be two livestreams of the supermoon.
You'll be able to watch the supermoon starting on Sunday Dec. 3. One is offered by the Virtual Telescope Project based in Rome.
The Jan. 31 supermoon will feature a total lunar eclipse, which will cause the moon to take on a reddish hue, making it a "blood moon". NASA calls it the supermoon trilogy, with the next two occurring on January 1 and January 31. That'll be a super moon, even by Neil deGrasse Tyson's standards.