Lippmann (crater)

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Crater characteristics
Coordinates	56.0° S, 114.9° W
Diameter	160 km
Depth	Unknown
Colongitude	119° at sunrise
Eponym	Gabriel Lippmann

Lippmann is a large lunar impact crater in the southern part of the Moon. It is located on the far side of the Moon and so can not be viewed directly from the Earth. Just to the northeast is the Mendel walled-plain, a feature only somewhat smaller than Lippmann. To the south-southeast lies Petzval crater.

As with manu lunar formations of this size, Lippmann has been eroded by subsequent impacts. The southeastern part of the rim has been overlaid by the satellite crater 'Lippmann L', which in turn has become worn and eroded. The relatively fresh crater 'Lippmann Q' lies across the southwest rim. The remaining rim has become worn and rounded, with a few surviving terrace-like features and the rim edge having lost their definition. The western and eastern sides of the crater in particular are nearly overlaid by ejecta material.

The interior floor is relatively level, at least in the western two-thirds, but is marked by several impacts. The most notable of these is 'Lippmann P', located just to the southwest of the mid-point. A short chain of small craterlets lies along the southern part of the floor. The remainder is marked by a few small craterlets and pitted by tiny craters.

The terrain to the north and east of this crater are streaked with features that are radial to the huge Mare Imbrium impact basin to the northeast.

[edit] Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Lippmann crater.

Lippmann	Latitude	Longitude	Diameter
B	52.6° S	110.9° W	29 km
E	55.4° S	107.6° W	23 km
J	59.0° S	106.6° W	19 km
L	57.6° S	112.5° W	54 km
P	56.1° S	115.0° W	29 km
Q	57.0° S	118.7° W	27 km
R	57.2° S	121.3° W	37 km

[edit] References

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• Blue, Jennifer (July 25, 2007). Gazetteer of Planetary Nomenclature. USGS. Retrieved on 2007-08-05.
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• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 1852331933.