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|   |
N
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|   |
1583
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|   |
E
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63 km
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''Unknown''
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203
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is a heavily eroded
Lunar Crater that lies in the northern
Hemisphere on the
Far Side of the
Moon . To the northwest are the
Von Neumann and
Campbell Craters . The smaller
Golovin Crater lies to the northeast, while further to the southwest is the
Mare Moscoviense Lunar Mare .
The crater wall and interior have been heavily eroded by many subsequent impacts, leaving the features rounded and irregular. A pair of craters lie across the southwestern rim, and two small craterlets lie along the eastern rim. The interior floor is irregular and contains many tiny craterlets.
Appleton lies between a pair of satellite craters that are located on opposite sides of the rim, forming a triple formation. The 'Appleton R' crater is located just to the west-southwest, and contains another crater just inside its north rim. On the opposite side of Appleton is 'Appleton D', a comparably-sized formation to 'Appleton R'.
By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Appleton crater.