Fernelius (crater)

Fernelius (crater)

Lunar Orbiter 4 image
Coordinates	38°06′S 4°54′E / 38.1°S 4.9°ECoordinates: 38°06′S 4°54′E / 38.1°S 4.9°E
Diameter	65 km
Depth	1.8 km
Colongitude	356° at sunrise
Eponym	Jean Fernel

Fernelius is a lunar impact crater located in the southern highlands just to the north of the walled plain Stöfler. The crater Kaiser is located next to the northwest rim of Fernelius. To the north-northwest are the craters Nonius and Walther. Southeast of Fernelius is the crater cluster of Miller, Nasireddin, Huggins, and Orontius.

In the past the floor of Fernelius has been resurfaced, leaving a relatively flat, featureless surface with no central peaks. The crater rim has been heavily worn and indented by impacts, the most prominent being Fernelius A which intrudes into the western rim.

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 Fernelius.

Fernelius	Latitude	Longitude	Diameter
A	38.3° S	3.5° E	30 km
B	37.4° S	4.1° E	10 km
C	38.9° S	4.4° E	7 km
D	38.2° S	6.2° E	7 km
E	38.3° S	6.6° E	6 km

References

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• Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
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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.
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• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.