Doerfel is a lunar impact crater that is located in the vicinity of the southern pole, just on the far side of the Moon. It lies approximately midway between the large crater Hausen to the east-northeast and the even larger Zeeman to the southwest.
 Clementine image | |
| Coordinates | 69°06′S 107°54′W / 69.1°S 107.9°W |
|---|---|
| Diameter | 68 km |
| Depth | Unknown |
| Colongitude | 111° at sunrise |
| Formation | Upper Imbrian[1] |
| Eponym | Georg S. Doerfel |
On the lunar geologic timescale, this formation dates to the Upper Imbrian period.[1] The outer wall of Doerfel retains much of its original form, but it has been rounded and slightly eroded by a history of subsequent bombardment. Many tiny craterlets lie on or near the rim, especially along the western edge. There is a slight outward extrusion in the southern rim, and the opposite, northern rim appears somewhat jumbled and eroded.
Doerfel's interior is also marked by several tiny craterlets in the otherwise relatively flat surface. There is a very slight central rise near the midpoint.
Satellite craters
editBy convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Doerfel.
| Doerfel | Latitude | Longitude | Diameter |
|---|---|---|---|
| R | 71.3° S | 119.4° W | 32 km |
| S | 69.9° S | 119.6° W | 32 km |
| U | 68.8° S | 117.2° W | 34 km |
| Y | 67.8° S | 108.8° W | 68 km |
References
edit- 1 2 Moriarty, D. P.; Pieters, C. M. (March 2018). "The Character of South Pole-Aitken Basin: Patterns of Surface and Subsurface Composition". Journal of Geophysical Research: Planets. 123 (3): 729–747. Bibcode:2018JGRE..123..729M. doi:10.1002/2017JE005364.
Sources
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- Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
- Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
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- McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Archived from the original on 2012-02-08. Retrieved 2007-10-24.
- Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews. 12 (2): 136–186. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. S2CID 122125855.
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- 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.
{{cite book}}: ISBN / Date incompatibility (help) - 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.