Planetary Names

Gazetteer of Planetary Nomenclature

International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)

Planetary Names: Crater, craters: Mark Twain on Mercury

Mark Twain

Feature Name	Mark Twain
Clean Name	Mark Twain
Feature ID	3718
Target	Mercury
Feature Type	Crater, craters
Coordinate System	Planetographic, +West, 0 - 360
Control Network
Northernmost Latitude	-11.20 °
Southernmost Latitude	-11.20 °
Easternmost Longitude	136.20 °
Westernmost Longitude	139.60 °
Diameter	149.00 km
Center Latitude	-11.20 °
Center Longitude	137.90 °
WKT String	MULTIPOLYGON (((220.3999938964844 -11.20000076293945, 220.3999938964844 -11.19999980926514, 223.8000030517578 -11.19999980926514, 223.8000030517578 -11.20000076293945, 220.3999938964844 -11.20000076293945)))
Northernmost Latitude	-9.22 °
Southernmost Latitude	-12.57 °
Easternmost Longitude	136.38 °
Westernmost Longitude	139.78 °
Diameter	142.41 km
Center Latitude	-10.90 °
Center Longitude	138.08 °
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Northernmost Latitude	-9.24 °
Southernmost Latitude	-12.57 °
Easternmost Longitude	136.61 °
Westernmost Longitude	139.96 °
Diameter	142.00 km
Center Latitude	-10.91 °
Center Longitude	138.28 °
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Continent	North America
Ethnic/Cultural Group or Country	American
Quad	H-07 [pdf]
Reference	[59] - The New Encyclopaedia Britannica: Encyclopaedia Britannica Inc., Chicago, 1974, 1993.
Approval Status	Adopted by IAU
Approval Date	1976
Origin	(Samuel Clemens); American novelist, satirist (1835-1910).
Last Updated	Oct 11, 2016 4:11 PM

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Mark Twain

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