Hypatia (crater)
Hypatia (crater)
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Lunar Orbiter 4 image | |
Coordinates | 4°18′S 22°36′E / 4.3°S 22.6°E / -4.3; 22.6Coordinates: 4°18′S 22°36′E / 4.3°S 22.6°E / -4.3; 22.6 |
---|---|
Diameter | 41 × 28 km |
Depth | 1.4 km |
Colongitude | 338° at sunrise |
Eponym | Hypatia of Alexandria |
Hypatia is a lunar impact crater that lies along the northwest edge of Sinus Asperitatis, a bay on the southwest edge of Mare Tranquillitatis. The nearest crater with an eponym is Alfraganus to the west-southwest. However, farther to the south-southeast, across the lunar mare, is the prominent crater Theophilus.
Hypatia is an asymmetrical formation with a rugged, irregular outer rim that is cut through by narrow clefts in several locations. It is generally longer along an axis running to the north-northwest, with the widest outward bulge occurring on the west side at the northern end. It resembles a merger of several crater formations that have gained a common interior floor. Attached to the exterior rim along the southwest is the satellite crater Hypatia A, a more symmetrical, bowl-shaped crater.
Rimae Hypatia[edit]
About 70 kilometers to the north of Hypatia is a system of linear rilles designated Rimae Hypatia. This runs for a length of about 180 kilometers across the Mare Tranquillitatis, and generally follows a course to the south-southeast. The part of the rilles close to the crater Moltke was informally called U.S. 1 by the Apollo 10 and Apollo 11 crews.
Satellite craters[edit]
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Hypatia.
Hypatia | Latitude | Longitude | Diameter |
---|---|---|---|
A | 4.9° S | 22.2° E | 16 km |
B | 4.6° S | 21.3° E | 5 km |
C | 0.9° S | 20.8° E | 15 km |
D | 3.1° S | 22.7° E | 6 km |
E | 0.3° S | 20.4° E | 6 km |
F | 4.1° S | 21.5° E | 8 km |
G | 2.7° S | 23.0° E | 5 km |
H | 4.5° S | 24.1° E | 5 km |
M | 5.3° S | 23.4° E | 28 km |
R | 1.9° S | 21.2° E | 4 km |
References[edit]
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Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.
Wikimedia Commons has media related to Hypatia (crater). |
Categories:
- LQ20 quadrangle
- Impact craters on the Moon
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