Goodacre (crater)

Goodacre
Coordinates 32°42′S 14°06′E / 32.7°S 14.1°E / -32.7; 14.1Coordinates: 32°42′S 14°06′E / 32.7°S 14.1°E / -32.7; 14.1
Diameter 46 km
Depth 3.2 km
Colongitude 346° at sunrise
Eponym Walter Goodacre

Goodacre is a lunar impact crater. It is located in the rugged southern highlands on the Moon's near side, and is attached to the north-northeastern part of the exterior of Gemma Frisius, a heavily worn and much larger formation. About two crater diameters to the north of Goodacre lies Pontanus.

The outer rim of this crater formation has become eroded by smaller impacts, and is heavily damaged along the southern side. The somewhat distorted satellite crater Goodacre G lies across the co-joined rims of Goodacre and Gemma Frisius. The interior floor has a small central rise and there is a small crater near the northern inner wall. A trace of ray material from Tycho lies along the southwest rim and forms a wispy line that crosses the central peak.

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 Goodacre.

Goodacre Latitude Longitude Diameter
B 31.8° S 13.7° E 9 km
C 32.3° S 14.2° E 5 km
D 33.4° S 15.0° E 8 km
E 32.9° S 15.5° E 6 km
F 31.9° S 14.6° E 5 km
G 33.3° S 13.9° E 16 km
H 32.8° S 16.1° E 4 km
K 30.9° S 13.5° E 11 km
P 34.0° S 16.7° E 22 km

References

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  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. 
  • 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. 
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6. 
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. 
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