Hartmann (crater)
Lunar Orbiter 1 image
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| Coordinates | 3°12′N 135°18′E / 3.2°N 135.3°ECoordinates: 3°12′N 135°18′E / 3.2°N 135.3°E |
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| Diameter | 61 km |
| Depth | Unknown |
| Colongitude | 225° at sunrise |
| Eponym | Johannes F. Hartmann |
Hartmann is a lunar impact crater on the far side of the Moon. It lies astride the west-southwestern rim of the huge walled plain Mendeleev, and intrudes part way into the wide inner wall of this feature. Nearly attached to the northwestern rim of Hartmann is the crater Green.
The unusual placement of this crater and the proximity of Green have given Hartmann a somewhat oddly shaped outer rim. The rim is slightly oblong in shape and it has an outward bulge to the east. The inner wall is wider on the eastern side, offsetting the interior floor to the western side. This floor is also oval in shape and is somewhat irregular. East-southeast of the crater is the smaller satellite crater of Hartmann K.
The crater is named after Johannes Franz Hartmann. Prior to naming in 1970, this crater was known as Crater 217.
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Hartmann.
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Wikipedia