McKellar (crater)
McKellar is a lunar impact crater on the Moon's far side, and it cannot be viewed directly from the Earth. It lies to the southwest of the crater Crookes, and the ray system from this impact covers the floor and sides of McKellar. To the south is the slightly smaller Bok.
 Apollo 17 image | |
| Coordinates | 15.7°S 170.8°W |
|---|---|
| Diameter | 51 km |
| Depth | Unknown |
| Colongitude | 171° at sunrise |
| Eponym | Andrew McKellar |
This crater is somewhat eroded, with a small crater along the northwestern rim. The interior floor is relatively level except for a cluster of three ridges arrayed to the north and west of the midpoint. Just to the south of this crater is a patch of high albedo on the surface, which is usually interpreted as an indication of a relatively fresh impact.
Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to McKellar.
| McKellar | Latitude | Longitude | Diameter |
|---|---|---|---|
| B | 13.1° S | 169.1° W | 16 km |
| S | 16.0° S | 173.3° W | 23 km |
| T | 15.1° S | 173.0° W | 45 km |
| U | 13.9° S | 174.5° W | 37 km |
References
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- Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.CS1 maint: ref=harv (link)
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- 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.CS1 maint: ref=harv (link)
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- Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.CS1 maint: ref=harv (link)
- Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.CS1 maint: ref=harv (link)
- Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.CS1 maint: ref=harv (link)