Janáček (crater)

{{short description|Crater on Mercury}}

{{Infobox feature on celestial object

| name = Janáček

| image = Janáček crater MESSENGER WAC.jpg

| caption = MESSENGER WAC mosaic of Janáček

| location = Shakespeare quadrangle, Mercury

| type = Central-peak impact crater

| coordinates = {{coord|55.72|N|154.85|W|globe:mercury_type:landmark|display=inline,title}}

| diameter = 47 km

| eponym = Leoš Janáček

}}

File:Janáček crater MESSENGER WAC IGF to RGB.jpg

Janáček is a crater on Mercury. It has a diameter of 47 kilometers.{{cite book |title = The Data Book of Astronomy |last = Moore |first = Patrick |year = 2000 |publisher = Institute of Physics Publishing |isbn = 0-7503-0620-3}} Its name was adopted by the International Astronomical Union (IAU) in 1985. Janáček is named for the Czech composer Leoš Janáček, who lived from 1854 to 1928.{{cite web |url = http://planetarynames.wr.usgs.gov/Feature/2804 |title = Janáček |publisher = IAU/USGS/NASA |work = Gazetteer of Planetary Nomenclature |access-date = 15 May 2021}}

The MESSENGER Mercury orbiter crashed near the crater on 30 April 2015.{{cite web|url=http://www.universetoday.com/120043/mercury-messenger-mission-concludes-with-a-smashing-finale/ |title=Mercury Messenger Mission Ends with a Smashing Finale|publisher=Universe Today|date=April 30, 2015|access-date=May 2, 2015}}