Epigenes (crater)

Epigenes is a lunar impact crater that is located in the north part of the Moon, and is sufficiently close to the northern limb to appear significantly foreshortened from the Earth. It lies just to the northwest of the remains of the walled plain W. Bond. Due north of Epigenes is Goldschmidt, and the ruined crater Birmingham lies just to the southwest.

Epigenes

Lunar Orbiter 4 image
Coordinates	67.5°N 4.6°W
Diameter	55 km
Depth	2.0 km
Colongitude	7° at sunrise
Eponym	Epigenes of Byzantium

Location of Epigenes

This formation is a picture in contrasts. The north and northwest parts of the rim are well-formed with little appearance of wear, while the remainder of the rim is notably eroded, particularly in the east-southeastern half. The western half of the interior floor is smooth and nearly featureless, while the remainder is somewhat hummocky and appears covered in ejecta from the east. The small crater Epigenes B intrudes into the northeastern rim.

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 Epigenes.

Epigenes	Latitude	Longitude	Diameter
A	66.9° N	0.3° W	18 km
B	68.3° N	3.1° W	11 km
D	68.3° N	0.3° E	10 km
F	67.1° N	8.1° W	5 km
G	68.9° N	7.0° W	5 km
H	69.4° N	6.4° W	7 km
P	65.4° N	5.4° W	33 km

References

• Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.CS1 maint: ref=harv (link)
• Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.CS1 maint: ref=harv (link)
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• Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.CS1 maint: ref=harv (link)
• Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.CS1 maint: ref=harv (link)
• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.CS1 maint: ref=harv (link)