Hohmann is a
lunar impact crater that lies within the central basin of the
Mare Orientale formation, on the
farside of the
Moon. It is located to the south of the crater
Maunder, and to the west of
Kopff Kopff may refer to:
* 1631 Kopff, a main-belt asteroid
* Kopff (crater), a lunar crater
People with the surname
* August Kopff (1882–1960), German astronomer
* E. Christian Kopff
E. Christian Kopff (born 22 November 1946, Brooklyn, New York ...
crater. Due to its proximity to the western lunar limb, this area of the surface is occasionally visible during favorable
libration
In lunar astronomy, libration is the wagging or wavering of the Moon perceived by Earth-bound observers and caused by changes in their perspective. It permits an observer to see slightly different hemispheres of the surface at different tim ...
s. However the basin is viewed from the side, restricting the amount of detail that can be observed from
Earth.
The rim of this crater is circular and only marginally worn, with a pair of tiny impacts overlaying the southern edge. An outer rampart slopes down to the surrounding surface, and the interior wall slopes down more sharply to the crater floor. There is a terrace along the southeastern interior wall. Portions of the surroundings show evidence of ejecta deposits from Maunder to the north (as shown by a number of secondary impacts). Some of this ejecta may have been deposited within the interior of Hohmann.
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 Hohmann.
The following craters have been renamed by the
IAU.
* Hohmann T — ''See''
Il'in.
References
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Impact craters on the Moon