Champollion 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 lies on the
far side 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 ...
. It is located north-northeast of the larger crater
Shayn, and south-southeast of
Chandler.
This crater formation has been heavily damaged by subsequent impacts, and is now a battered depression in the surface. An unnamed crater overlays the eastern rim, and the remaining inner wall is incised along much of its circumference by lesser impacts. One of these forms a trough in the northern inner wall, with side walls that extend almost to the center of the floor.
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 Champollion.
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{{Craters on the Moon: C-F
Impact craters on the Moon