Drebbel (crater)
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Crater characteristics | |
Coordinates | 40.9° S, 49.0° W |
---|---|
Diameter | 30 km |
Depth | 2.5 km |
Colongitude | 49° at sunrise |
Eponym | Cornelius Drebbel |
Drebbel is a small lunar crater that is located to the northeast of the large Schickard walled plain, in the southwestern part of the Moon. Further to the northeast is the Lacus Excellentiae and the small Clausius crater.
The rim of this crater is roughly circular, with an outward bulge along the east and southeast side. Along this arc of the inner wall is s single terrace where the material has slumped downward. The west and northwest sides have accumulations along the base where loose material has slumped to the floor. The remainder of the inner rim is a simple slope that runs down to the interior floor. The rim is relatively sharp-edged and not noticeably worn. There is a level interior floor that is just over half the crater diameter.
[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 Drebbel crater.
Drebbel | Latitude | Longitude | Diameter |
---|---|---|---|
A | 38.9° S | 51.0° W | 7 km |
B | 37.8° S | 47.3° W | 18 km |
C | 40.4° S | 42.9° W | 30 km |
D | 37.9° S | 49.3° W | 10 km |
E | 38.1° S | 51.3° W | 65 km |
F | 42.7° S | 44.6° W | 15 km |
G | 43.9° S | 45.2° W | 17 km |
H | 41.7° S | 45.3° W | 10 km |
J | 40.6° S | 52.3° W | 13 km |
K | 40.0° S | 49.5° W | 37 km |
L | 40.3° S | 50.8° W | 9 km |
M | 41.2° S | 41.4° W | 8 km |
N | 41.3° S | 52.4° W | 9 km |
P | 39.7° S | 51.8° W | 4 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.