Kirch (crater)

Kirch

Lunar Orbiter 4 image
Coordinates	39.2°N 5.6°W / 39.2; -5.6
Diameter	11 km
Depth	1.8 km
Colongitude	6° at sunrise
Eponym	Gottfried Kirch

Oblique view from Apollo 15

Kirch is a small lunar impact crater in the eastern part of the Mare Imbrium, a large lunar mare in the northwest quadrant of the Moon. It was named after German astronomer Gottfried Kirch. This is a relatively solitary formation with the nearest comparable crater being Piazzi Smyth to the northeast. Notable features in the vicinity are the Montes Spitzbergen mountains to the south and the solitary peak Mons Piton to the east-northeast. Kirch is circular and bowl-shaped, with a dark interior having the same albedo as the surrounding terrain.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Kirch.

Kirch	Latitude	Longitude	Diameter
E	36.5° N	6.9° W	3 km
F	38.0° N	6.0° W	4 km
G	37.4° N	8.1° W	3 km
H	39.0° N	7.0° W	3 km
K	39.2° N	4.0° W	3 km
M	39.5° N	9.9° W	3 km

References

• Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
• 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. Retrieved 2007-10-24.
• 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.
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• 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.
• 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.