Horrocks (crater)

Horrocks (crater)

lunar crater data
latitude=4.0
N_or_S=S
longitude=5.9
E_or_W=E
diameter=30 km
depth=3.0 km
colong=355
eponym=Jeremiah Horrocks

Horrocks is a lunar impact crater located entirely within the eroded northeast rim of the much larger Hipparchus walled-plain. Near Horrocks are Halley and Hind craters to the South and Rhaeticus to the North. Gyldén and Saunder craters lie to the West and to the East, respectively. The crater Horrocks was named for 17th century English astronomer Jeremiah Horrocks."Autostar Suite Astronomer Edition". CD-ROM. Meade, April 2006.]

The rim of Horrocks is somewhat irregular and polygonal, particularly with an outward protrusion on the eastern rim. It has a small outer . The inner wall is slumped, particularly along the northwest where it forms a heap of talus. The interior floor is uneven, and it has a central mountain and hills. The crater is approximately 30 kilometers in diameter and 3 kilometers deep. It is from the Eratosthenian period, which lasted from 3.2 to 1.1 billion years ago.

atellite craters

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 Horrocks crater. [cite book
author=Bussey, B.; Spudis, P.,
year=2004 | title=The Clementine Atlas of the Moon
publisher=Cambridge University Press | location=New York
id=ISBN 0-521-81528-2
]

References


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