Timocharis (crater)

Timocharis

Timocharis from Apollo 15. NASA photo.
Coordinates 26°42′N 13°06′W / 26.7°N 13.1°W / 26.7; -13.1Coordinates: 26°42′N 13°06′W / 26.7°N 13.1°W / 26.7; -13.1
Diameter 34 km
Depth 3.1 km
Colongitude 13° at sunrise
Eponym Timocharis
Oblique view from Apollo 17 panoramic camera. Note that the central peak has been modified by a superposed crater.
The east side of Timocharis while at the lunar terminator, from Apollo 15.

Timocharis is a prominent lunar impact crater located on the Mare Imbrium. The closest crater of comparable dimensions is Lambert to the west. The smaller craters Feuillée and Beer lie to the east of Timocharis.

The rim of Timocharis has a somewhat polygonal outline, with an outer rampart that extends over 20 kilometers in all directions. The interior wall is slumped and sharply terraced. The center of the floor is occupied by a craterlet that lies on a slight rise. This impact has almost completely removed the original central peak. The crater may have a minor ray system that extends for over 130 km (81 mi). The lack of prominent rays puts the age of this crater at about a billion years or more.

To the north of Timocharis is a tiny crater chain named the Catena Timocharis.

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 Timocharis.

Timocharis Latitude Longitude Diameter
B 27.9° N 12.1° W 33.5 km
C 24.8° N 14.2° W 33.2 km
D 23.8° N 15.1° W 32.7 km
E 24.6° N 17.1° W 32.6 km
H 23.6° N 16.6° W 32.1 km

The following craters have been renamed by the IAU.

References

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  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24. 
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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. 
  • 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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