Sumner (crater)

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Crater characteristics
Coordinates	37.5° N, 108.7° E
Diameter	50 km
Depth	Unknown
Colongitude	252° at sunrise
Eponym	Thomas H. Sumner

Sumner is a lunar crater that is located on the far side of the Moon, beyond the northeastern limb. It lies to the southwest of the larger Szilard crater, and southeast of the huge Fabry-Harkhebi double walled-plain.

This crater formation has been heavily damaged by a history of impacts, leaving an irregular, battered outer rim. A smaller impact crater has merged into the southern rim and the northern rim is little more than an irregular, arcing range of ridges. The interior is nearly as irregular, and the entire formation is little more than a rugged depression in the surface.

Starting about 30 kilometers to the north of Sumner crater and progressing to the east-southeast is a long, linear chain of craters that forms an irregular cleft in the surface. This formation is named Catena Sumner after the nearby crater. It progresses to the northeast rim of 'Harriot A', a satellite crater of Harriot.

[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 Sumner crater.

Sumner	Latitude	Longitude	Diameter
G	37.2° N	110.2° E	18 km

[edit] References

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