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Oct. 7 Supermoon Kicks Off Trio of Close Full Moons in 2025

Astronomers note the term lacks an official definition, with only a slight apparent change to the eye.

Overview

  • The Moon reaches full phase on October 7 at 05:47 MESZ at roughly 361,000–361,457 kilometers from Earth, with moonrise around 18:30 and moonset near 08:00 that day.
  • November 5 is expected to be the year’s closest full moon at about 357,000 kilometers, followed by the final close full moon on December 4.
  • NASA says a close full moon can appear up to about 14% larger and up to 30% brighter than the year’s smallest full moon, though the difference is hard to spot without direct comparison.
  • Planetarium Hamburg’s Björn Voss explains that some observers may not class the October full moon as a supermoon because its distance is still around 361,500 kilometers.
  • The reduced Earth–Moon distance can modestly increase tidal ranges, leading to slightly higher high tides and lower low tides along coasts.