Cysatus (crater)

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Crater characteristics
Coordinates	66.2° S, 6.1° W
Diameter	49 km
Depth	4.0 km
Colongitude	7° at sunrise
Eponym	Jean-Baptiste Cysat

Cysatus is a lunar impact crater that is located in the southern part of the Moon's near side. It is joined to the norhteastern rim of the larger Gruemberger crater, and intrudes slightly into the interior of that formation. Due south of Moretus crater, and to the east is Curtius crater. This crater appears foreshortened when observed from Earth because of its far south location.

This circular crater is slightly unusual for its lack of interesting features. No notable craters lie along its rim or the flat, level interior. The inner walls are devoid of terraces and just slope down to the flat floor, although the width of the inner wall is narrower to the northeast than elsewhere.

[edit] Satellite 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 Cysatus crater.

Cysatus	Latitude	Longitude	Diameter
A	64.2° S	0.8° W	14 km
B	65.7° S	1.8° W	8 km
C	63.8° S	0.6° E	27 km
D	65.0° S	6.0° W	5 km
E	66.7° S	1.3° W	48 km
F	63.9° S	3.5° W	5 km
G	65.8° S	0.3° W	6 km
H	66.8° S	0.0° E	8 km
J	63.0° S	0.8° E	10 km

[edit] References

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• Blue, Jennifer (July 25, 2007). Gazetteer of Planetary Nomenclature. USGS. Retrieved on 2007-08-05.
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• Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 0-521-62248-4. 
• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 1852331933.