Bettinus (crater)
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Crater characteristics | |
Coordinates | 63.4° S, 44.8° W |
---|---|
Diameter | 71 km |
Depth | 3.8 km |
Colongitude | 45° at sunrise |
Eponym | Mario Bettinus |
Bettinus is a lunar impact crater located near the southwest limb. Due to its location, the crater has a distinctly oval shape because of foreshortening. To the south of the rim is the similar-sized Kircher crater, and to the northwest is the slightly smaller Zucchius crater. From the west to the southwest, closer to the limb, is the giant Bailly crater.
The rim of Bettinus crater is only somewhat worn, with an inner wall that is wider to the northwest. The interior floor is relatively flat, with a central rise that is offset to the west of the mid-point. There is a small crater along the eastern rim.
[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 Bettinus crater.
Bettinus | Latitude | Longitude | Diameter |
---|---|---|---|
A | 64.9° S | 48.8° W | 26 km |
B | 63.6° S | 51.0° W | 24 km |
C | 63.3° S | 37.7° W | 20 km |
D | 65.0° S | 46.4° W | 9 km |
E | 63.2° S | 42.1° W | 7 km |
F | 62.9° S | 43.3° W | 6 km |
G | 61.5° S | 44.3° W | 7 km |
H | 64.6° S | 43.7° W | 8 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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- Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes, 6th revision, Dover. ISBN 0-486-20917-2.
- 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.