Cleostratus (crater)

Cleostratus (crater)
Coordinates 60°24′N 77°00′W / 60.4°N 77.0°W / 60.4; -77.0Coordinates: 60°24′N 77°00′W / 60.4°N 77.0°W / 60.4; -77.0
Diameter 62 km
Depth 2.2 km
Colongitude 78° at sunrise
Eponym Cleostratus

Cleostratus is a lunar crater near the northwest limb of the Moon. It lies to the northeast of the crater Xenophanes, and west-southwest of the prominent Pythagoras. From the Earth this crater appears highly elongated due to foreshortening.

The rim of this crater has become soft-shouldered due to steady impact erosion, and the formation is now just a depression in the surface surrounded by an eroded rise. A pair of small craters lie across the southwest rim, forming part of a short chain of craters leading to the west. Along the crest of the southern rim is a linear ridge. The satellite crater Cleostratus E is attached to the northwest rim, and intrudes slightly into the inner wall. The interior floor of this crater is flat and nearly featureless, having only a few tiny craterlets marking the surface.

Cleostratus (center) in a telescopic photograph

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 Cleostratus.

Cleostratus Latitude Longitude Diameter
A 62.7° N 77.3° W 35 km
E 60.9° N 79.6° W 21 km
F 61.5° N 80.4° W 50 km
H 61.2° N 81.9° W 13 km
J 61.3° N 83.8° W 20 km
K 62.0° N 81.1° W 17 km
L 62.2° N 79.3° W 11 km
M 61.5° N 74.9° W 9 km
N 60.6° N 73.1° W 4 km
P 59.6° N 72.9° W 7 km
R 58.9° N 72.9° W 6 km

References

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  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. 
  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3. 
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4. 
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. 
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6. 
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. 
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