Oppolzer (crater)

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Crater characteristics
Selenographic coordinates>Coordinates
Diameter	43 km
Crater depth>Depth	None
Selenographic colongitude>Colongitude	1° at sunrise
Eponym	Theodor von Oppolzer

Oppolzer is the remnant of a lunar crater that is located on the southern edge of Sinus Medii, along the meridian of the Moon. It is located within one crater diameter of the origin of the selenographic coordinate system at 0° N, 0° W. Attached to the surviving remnants of the southeast rim is Réaumur crater. To the west-southwest is the lava-flooded Flammarion walled-plain.

This formation consists of little more than an irregular arc of mounts along the south, and a ring of scattered ridges along the northern rim. There is a particularly wide gap in the rim to the northeast were no ridges survive to mark the crater perimeter. The interior floor has been resurfaced by basaltic-lava.

A 110-km-long rille designated Rima Oppolzer passes through the southern part of the crater floor, and continues to the east and west of the crater.

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 Oppolzer crater.

Oppolzer Latitude Longitude Diameter
A 0.5° S 0.3° W 3 km
K 1.7° S 0.3° W 3 km

Oppolzer	Latitude	Longitude	Diameter
A	0.5° S	0.3° W	3 km
K	1.7° S	0.3° W	3 km

References

See the reference table for the general listing of literature and web sites that were used in the compilation of this page.

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