Saunder (crater)

Saunder

Coordinates 4°12′S 8°48′E / 4.2°S 8.8°E / -4.2; 8.8Coordinates: 4°12′S 8°48′E / 4.2°S 8.8°E / -4.2; 8.8
Diameter 45 km (28 mi)
Depth 1.3 km (0.81 mi)
Colongitude 352° at sunrise
Eponym Samuel A. Saunder

Saunder is a lunar crater located in the central highland region of the Moon, to the east-northeast of the walled plain Hipparchus, named after Samuel Arthur Saunder. The outer wall is irregular and broken in several locations, forming the overall shape of a pentagon. The interior of Saunder has been flooded with lava, forming a level surface just below the rim. The floor lacks a central peak, but there are low rises in the southeast quadrant and a tiny craterlet towards the north rim.

One other crater, smaller is nearly to the northwest and is Pickering.

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 Saunder. Saunder A is located far east close to Theon Senior Crater, Saunder B is east-northeast next to the main crater, Saunder C is to the northeast, Saunder C is to the east-north east and Saunder T is to the east.

Saunder and its satellite craters
Saunder Latitude Longitude Diameter
A 4.0° S 12.3° E 8 km (5.0 mi)
B 3.9° S 9.8° E 6 km (3.7 mi)
C 2.7° S 10.5° E 4 km (2.5 mi)
S 2.3° S 9.7° E 4 km (2.5 mi)
T 4.0° S 10.4° E 6 km (3.7 mi)

References

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  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3. 
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4. 
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. 
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  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. 
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