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Chappell (crater)

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Coordinates:54°32′N176°46′W / 54.53°N 176.77°W /54.53; -176.77

From Wikipedia, the free encyclopedia

Lunar impact crater

Feature on the moon

Chappell
ObliqueLunar Orbiter 5 image (streak is blemish on original)
Coordinates	54°32′N176°46′W / 54.53°N 176.77°W /54.53; -176.77
Diameter	73.92 km (45.93 mi)
Depth	Unknown
Colongitude	179° at sunrise
Eponym	James F. Chappell

Chappell is alunar impact crater on thefar side of theMoon, in the northern hemisphere just to the north of the craterDebye. It is in a heavily bombarded section of the surface, and much of its outer rim is overlain by smaller craters. The northern rim in particular has been almost completely disintegrated, while small craters also overlie the rim to the northwest and southeast. What remains of the rim forms a rounded, somewhat irregular edge to the crater depression.

In contrast, the interior floor is not notably marked by impacts. The interior surface is more level compared to the rugged terrain surrounding it. Near the floor's midpoint is a low, rounded central ridge, and surrounding it are a series of linear and arcuate fractures forming a nearly-complete ring around the central peak.

The crater was formally named by theIAU in 1970 after American astronomerJames F. Chappell.^[1]

Satellite craters

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By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Chappell.^[2]

Chappell	Latitude	Longitude	Diameter
E	55.8° N	171.5° W	59 km
T	54.8° N	178.9° E	28 km

References

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^Chappelle, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
^Lunar craters homepage

Andersson, L. E.;Whitaker, E. A. (1982).NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
Blue, Jennifer (July 25, 2007)."Gazetteer of Planetary Nomenclature".USGS. Retrieved2007-08-05.
Bussey, B.;Spudis, P. (2004).The Clementine Atlas of the Moon. New York:Cambridge University Press.ISBN 978-0-521-81528-4.
Cocks, Elijah E.; Cocks, Josiah C. (1995).Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers.ISBN 978-0-936389-27-1.
McDowell, Jonathan (July 15, 2007)."Lunar Nomenclature".Jonathan's Space Report. Retrieved2007-10-24.
Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU".Space Science Reviews.12 (2):136–186.Bibcode:1971SSRv...12..136M.doi:10.1007/BF00171763.S2CID 122125855.
Moore, Patrick (2001).On the Moon.Sterling Publishing Co.ISBN 978-0-304-35469-6.
Price, Fred W. (1988).The Moon Observer's Handbook. Cambridge University Press.ISBN 978-0-521-33500-3.
Rükl, Antonín (1990).Atlas of the Moon.Kalmbach Books.ISBN 978-0-913135-17-4.
Webb, Rev. T. W. (1962).Celestial Objects for Common Telescopes (6th revised ed.). Dover.ISBN 978-0-486-20917-3.{{cite book}}:ISBN / Date incompatibility (help)
Whitaker, Ewen A. (1999).Mapping and Naming the Moon. Cambridge University Press.ISBN 978-0-521-62248-6.
Wlasuk, Peter T. (2000).Observing the Moon. Springer.ISBN 978-1-85233-193-1.

v t e Craters on theMoon: C–F
C	C. Herschel C. Mayer Cabannes Cabeus Cailleux Cai Lun Cajal Cajori Calippus Cameron Campanus Campbell Cannizzaro Cannon Cantor Capella Capuanus Cardanus Carlini Carlos Carmichael Carnot Carol Carpenter Carrel Carrillo Carrington Cartan Carver Casatus Cassegrain Cassini Catalán Catharina Cauchy Cavalerius Cavendish Caventou Cayley Celsius Censorinus Cepheus Chacornac Chadwick Chaffee Challis Chalonge Chamberlin Champollion Chandler Chang Heng Chang-Ngo Chant Chaplygin Chapman Chappe Chappell Charles Charlier Chaucer Chauvenet Chawla Chebyshev Chernyshev Chevallier Ching-Te Chladni Chrétien Cichus Clairaut Clark Clausius Clavius Cleomedes Cleostratus Clerke Coblentz Cockcroft Collins Colombo Compton Comrie Comstock Condon Condorcet Congreve Conon Cook Cooper Copernicus Cori Coriolis Couder Coulomb Courtney Cremona Crile Crocco Crommelin Crookes Crozier Crüger Ctesibius Curie Curtis Curtius Cusanus Cuvier Cyrano Cyrillus Cysatus
D	D. Brown da Vinci Daedalus Dag Daguerre Dale d'Alembert Dalton Daly Damoiseau Dandelion Daniell Danjon Dante Darney D'Arrest D'Arsonval Darwin Das Daubrée Davisson Davy Dawes Dawson De Forest de Gasparis de Gerlache De La Rue De Moraes De Morgan De Roy De Sitter De Vico De Vries Debes Debus Debye Dechen Delambre Delaunay Delia Delisle Dellinger Delmotte Delporte Deluc Dembowski Democritus Demonax Denning Desargues Descartes Deseilligny Deslandres Deutsch Dewar Diana Diderot Dionysius Diophantus Dirichlet Dobrovolʹskiy Doerfel Dollond Donati Donna Donner Doppelmayer Doppler Douglass Dove Draper Drebbel Dreyer Drude Dryden Drygalski Dubyago Dufay Dugan Dunér Dunthorne Dyson Dziewulski
E	Eckert Eddington Edison Edith Egede Ehrlich Eichstadt Eijkman Eimmart Einstein Einthoven Elger Ellerman Ellison Elmer Elvey Emden Encke Endymion Engelʹgardt Eötvös Epigenes Epimenides Eratosthenes Erlanger Erro Esclangon Esnault-Pelterie Espin Euclides Euctemon Eudoxus Euler Evans Evdokimov Evershed Ewen
F	Fabbroni Fabricius Fabry Fahrenheit Fairouz Faraday Faustini Fauth Faye Fechner Fedorov Felix Fényi Feoktistov Fermat Fermi Fernelius Fersman Fesenkov Feuillée Fibiger Finsch Finsen Firmicus Firsov Fischer Fitzgerald Fizeau Flammarion Flamsteed Fleming Florensky Florey Focas Fontana Fontenelle Foster Foucault Fourier Fowler Fox Fra Mauro Fracastorius Franck Franklin Franz Fraunhofer Fredholm Freud Freundlich Fridman Froelich Frost Fryxell Furnerius

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