Coordinates | 27°36′N 34°18′W / 27.6°N 34.3°W |
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Diameter | 19 km |
Depth | 3.0 km |
Colongitude | 34° at sunrise |
Eponym | Diophantus |
Diophantus is a lunar impact crater that lies in the southwestern part of the Mare Imbrium. It was named after ancient Greek mathematician Diophantus.[1] It forms a pair with the larger crater Delisle to the north. Diophantus has a wide inner wall and a low central rise. To the north of Diophantus is the sinuous rille designated Rima Diophantus, named after the crater. Diophantus C lies near the exterior of the southwest wall.
Diophantus is a crater of Eratosthenian age.[2]