{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"meteor-shower-peak","name":"Geminids 2027","shower":{"id":"geminids","name":"Geminids","parent":"3200 Phaethon","zhr":150,"populationIndex":2.6,"velocityKmS":35},"peak":{"at":"2027-12-14T19:45:35.000Z","solarLongitudeJ2000":262.2},"radiant":{"ra":7.46,"dec":32.4,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"moonAtPeak":{"phase":"Full Moon","illumination":0.98},"visibility":{"neverRisesBeyond":{"hemisphere":"south","latitude":57.6},"neverSetsBeyond":{"hemisphere":"north","latitude":57.6},"nightOf":"2027-12-14","longitude":0,"skyBortle":5,"bands":[{"latitude":60,"verdict":"moonlit","summary":"About 41 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T04:28:25.981Z","radiantAltitude":53,"perHour":41,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":45,"verdict":"moonlit","summary":"About 41 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T04:45:18.205Z","radiantAltitude":55,"perHour":41,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":30,"verdict":"moonlit","summary":"About 40 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T04:46:58.755Z","radiantAltitude":53,"perHour":40,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":15,"verdict":"moonlit","summary":"About 38 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T04:28:36.120Z","radiantAltitude":51,"perHour":38,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":0,"verdict":"moonlit","summary":"About 36 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T03:53:16.940Z","radiantAltitude":47,"perHour":36,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":-15,"verdict":"moonlit","summary":"About 33 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T03:05:03.243Z","radiantAltitude":40,"perHour":33,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":-30,"verdict":"moonlit","summary":"About 26 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T02:22:43.477Z","radiantAltitude":27,"perHour":26,"fullyDark":true,"moon":{"illumination":0.97,"up":true}},{"latitude":-45,"verdict":"moonlit","summary":"About 14 an hour; a Moon 97% lit drowns the faint ones","radiantHighestAt":"2027-12-15T01:33:59.538Z","radiantAltitude":13,"perHour":14,"fullyDark":true,"moon":{"illumination":0.97,"up":true}}]},"links":{"page":"https://www.whatthestar.com/meteor-showers/geminids-2027","map":"https://www.whatthestar.com/explore?ra=7.46&dec=32.4&fov=40&t=2027-12-14T19%3A46%3A00.000Z"},"sources":[{"name":"International Meteor Organization, Meteor Shower Calendar (J. Rendtel): each maximum’s solar longitude, ZHR, population index and radiant","url":"https://www.imo.net/"},{"name":"J. Meeus, Astronomical Algorithms, ch. 25 (the Sun) and ch. 47–48 (the Moon), as the map draws them","url":"https://www.whatthestar.com/credits#method-moon"},{"name":"U.S. Naval Observatory, Astronomical Applications: the Moon’s illuminated fraction, which the tests hold these to","url":"https://aa.usno.navy.mil/data/"}]}