Alden (crater)

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Alden
AS15-88-11986.jpg
Lunar crater Alden from Apollo 15. NASA image.
Coordinates23°36′S 110°48′E / 23.6°S 110.8°E / -23.6; 110.8Coordinates: 23°36′S 110°48′E / 23.6°S 110.8°E / -23.6; 110.8
Diameter104 km
DepthUnknown
Colongitude250° at sunrise
EponymHarold Alden
Lunar Orbiter 3 image, facing southeast

Alden is a lunar impact crater that lies on the far side of the Moon, between Hilbert to the north-northwest and Milne to the south-southeast. To the south-southwest lies Scaliger.

Alden has a low rim that is overlain in the north and northeast by Alden C and the smaller Alden E. The rim is worn and eroded, especially along the southern wall. The floor is somewhat irregular and pitted. The small crater Alden V lies just inside the north rim, and is attached to Alden C to the east.

Satellite craters[edit]

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Alden.

Alden Latitude Longitude Diameter
B 20.5° S 112.6° E 17 km
C 22.5° S 111.4° E 50 km
E 23.2° S 112.4° E 28 km
V 22.5° S 110.1° E 19 km

References[edit]

  • Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
  • Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
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  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.
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  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
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  • 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.