Fourier (crater)

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Selenochromatic Image(Si) of the crater area(top left) Schickard Si.jpg
Selenochromatic Image(Si) of the crater area(top left)
Fourier
Fourier crater 4155 h3.jpg
Lunar Orbiter 4 image
(black lines are artifact of image reprocessing)
Coordinates 30°18′S53°00′W / 30.3°S 53.0°W / -30.3; -53.0 Coordinates: 30°18′S53°00′W / 30.3°S 53.0°W / -30.3; -53.0
Diameter 51 km
Depth 3.7 km
Colongitude 54° at sunrise
Eponym Jean-B. J. Fourier

Fourier is a lunar impact crater that is located in the southwestern part of the Moon's near side, just to the southeast of the crater Vieta. To the northeast is the Mare Humorum. The rim of this crater is roughly circular, but appears oval when viewed from the Earth due to foreshortening.

Except to the north-northwest, the outer rim is not heavily eroded. The satellite crater Fourier B lies along the eastern rim and inner side. The inner wall is relatively wide, and is slumped slightly along the edge forming a shelf near the perimeter. The interior floor is just over half the diameter of the crater rim, and is relatively level with a small crater to the west of the midpoint and another near the northeast edge.

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 Fourier.

FourierLatitudeLongitudeDiameter
A30.2° S49.5° W32 km
B30.5° S52.0° W11 km
C28.5° S51.9° W14 km
D31.5° S50.4° W21 km
E28.7° S50.1° W14 km
F28.8° S52.7° W14 km
G29.4° S51.7° W11 km
K30.0° S54.2° W10 km
L30.2° S52.6° W5 km
M30.4° S53.1° W4 km
N33.5° S56.4° W10 km
P31.0° S54.9° W9 km
R34.2° S51.2° W9 km

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