Perkin is a
lunar impact crater
An impact crater is a depression (geology), depression in the surface of a solid astronomical body formed by the hypervelocity impact event, impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal c ...
that is located in the northern
hemisphere on the
Moon
The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
's
far side. Immediately to the north is the larger crater
Debye. Just to the southeast is the somewhat smaller cater
Guillaume, and to the west-southwest lies
Dunér. To the northwest of Perkin is the large walled plain
D'Alembert
Jean-Baptiste le Rond d'Alembert ( ; ; 16 November 1717 – 29 October 1783) was a French mathematician, mechanics, mechanician, physicist, philosopher, and music theorist. Until 1759 he was, together with Denis Diderot, a co-editor of the ''E ...
.
This is a worn and eroded crater formation with an outer rim that has been reshaped by several subsequent impacts. Laid along the inner wall to the east-northeast is a small crater. Small craterlets lie along the southern inner wall and the northwestern rim. Several smaller craterlets cut across the rim along the southwest and north.
Prior to formal naming by the
IAU in 1970, Perkin was called ''Crater 72''.
Lunar Farside Chart (LFC-1A)
2nd Edition October 1967
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Impact craters on the Moon