Pontécoulant (crater)
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Pontécoulant is a prominent
lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...
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 southeastern part of 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 ...
. Due to its position, the crater appears foreshortened from the
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and it is difficult to observe much detail. Nearby craters include
Hanno Hanno may refer to: People * Hanno (given name) :* Hanunu (8th century BC), Philistine king previously rendered by scholars as "Hanno" *Hanno (, ; , ''Hannōn''), common Carthaginian name :* Hanno the Navigator, Carthaginian explorer :* Hann ...
just to the northeast, and the comparably sized
Helmholtz Hermann Ludwig Ferdinand von Helmholtz (; ; 31 August 1821 – 8 September 1894; "von" since 1883) was a German physicist and physician who made significant contributions in several scientific fields, particularly hydrodynamic stability. The ...
due south. This crater has
terrace Terrace may refer to: Landforms and construction * Fluvial terrace, a natural, flat surface that borders and lies above the floodplain of a stream or river * Terrace, a street suffix * Terrace, the portion of a lot between the public sidewalk a ...
d inner wall that is nearly circular, but with an outward extension to the southeast. The rim is somewhat worn but retains much detail. The crater partly overlies the older and smaller Pontécoulant E along the southern rim, and has several tiny craterlets on the eastern inner wall and one to the southwest. The inner floor is nearly flat, with some rough ground near the southern rim and some low central peaks located southwest of the midpoint. There is a small but prominent crater located at the center of the floor, and several other tiny craters scattered across the inner surface. Pontécoulant is a crater of
Nectarian The Nectarian Period of the lunar geologic timescale was from 3.920 billion years ago to 3.850 billion years ago. It is the period during which the Nectaris Basin and other major basins were formed by large impact events. Ejecta from Nectaris for ...
age. The
eponym An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''. Eponyms are commonly used for time periods, places, innovati ...
of this crater is Philippe Gustave Doulcet, ''le Comte de
Pontécoulant Pontécoulant () is a commune in the Calvados department in the Normandy region in northwestern France. Geography The commune is part of the area known as Suisse Normande. The commune is made up of the following collection of villages and ...
'', and the name was approved by the
IAU The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...
in 1935. On 19 August 2023 the Russian
Luna 25 Luna 25 (or Luna-25; ) was a failed Russian lunar lander mission by Roscosmos in August 2023 that planned to land near the lunar south pole, in the vicinity of the crater Boguslawsky (crater), Boguslawsky. Initially called the Luna-Glob lander ...
lander crashed on the inner rim of the Pontécoulant G satellite crater, following a technical issue that prevented it from performing a soft landing in the target destination close to the Lunar south pole. On September 3, 2023 the impact site of the Luna 25 lander has been described as a pock. An official title to this impact site has not yet been assigned by the
International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...
.


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 Pontécoulant.


References

* * * * * * * * * * * * {{DEFAULTSORT:Pontecoulant Impact craters on the Moon