However, last year's Supermoon was the closest to Earth's orbit since 1948. The next time we get so much closer will be in 2034. Mr.Noah who is the deputy scientist for NASA's Lunar Reconnaissance Orbiter mission said, "The reason behind this Supermoon is, gravitational forces pulling and pushing the moon."
But an Astrophysicist, Mr. Neil deGrasse Tyon said, "if a 16.1-inch pizza is “super" to you, compared with a 16.0-inch pizza, then we have an issue of vocabulary.." So, in case if you have missed the Supermoon, you can see it once again on January 1, 2018, and January 31, 2018.