Rosenberger (crater)

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Rosenberger
Rosenberger crater 4070 h3.jpg
Coordinates 55°24′S43°06′E / 55.4°S 43.1°E / -55.4; 43.1
Diameter 96 km
Depth 2.2 km
Colongitude 318° at sunrise
Eponym Otto A. Rosenberger

Rosenberger is an old lunar impact crater in the southeastern part of the Moon. It was named after German astronomer Otto August Rosenberger. [1]

This crater is located in a region rich with prominent craters. The slightly smaller Vlacq is nearly attached to the northwestern outer rim of Rosenberger. Other nearby craters of note include Biela to the east, Hagecius to the south-southeast, and Nearch to the south-southwest. Due west past Vlacq is Hommel.

Rosenberger crater and its satellite craters taken from Earth in 2012 at the University of Hertfordshire's Bayfordbury Observatory with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1 Rosenberger lunar crater map.jpg
Rosenberger crater and its satellite craters taken from Earth in 2012 at the University of Hertfordshire's Bayfordbury Observatory with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1

This crater has been heavily eroded by a history of impacts, so that the outer rim has become rounded and somewhat indistinct. As a result, the crater possesses only a shallow rise along the rim edge, and it nearly forms a circular depression in the surface. The satellite crater Rosenberger D, which is about 50 kilometers in diameter, intrudes into the southern rim of Rosenberger. A number of smaller, worn impact craters lie along the rest of the rim and inner wall.

The interior floor of this crater forms a relatively level surface that is marked by several small craterlets. To the south-southeast of the midpoint is the worn remains of a small crater. At the midpoint there is a low central peak joined to a small craterlet to the north.

Satellite craters

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

RosenbergerLatitudeLongitudeDiameter
A53.5° S47.0° E49 km
B51.7° S46.1° E33 km
C52.1° S42.1° E47 km
D57.5° S42.9° E50 km
E59.3° S43.2° E11 km
F56.0° S40.6° E6 km
G53.9° S41.4° E9 km
H55.0° S46.5° E12 km
J52.9° S43.3° E22 km
K54.5° S47.7° E18 km
L52.6° S44.6° E9 km
N54.3° S44.1° E8 km
S55.8° S42.6° E14 km
T56.5° S43.1° E8 km
W58.7° S42.4° E32 km

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References

  1. "Rosenberger". Gazeteer of Planetary Nomenclature. International Astronomical Union . Retrieved 17 August 2017.