Picard (crater)

Picard
	Apollo 17 Mapping camera image
Diameter	23 km
Depth	2.4 km
Colongitude	306° at sunrise

Short description: Crater on the Moon

Picard is a lunar impact crater that lies in Mare Crisium. The crater is named for 17th century French astronomer and geodesist Jean Picard.^[1] It is the biggest non-flooded crater of this mare, being slightly larger than Peirce to the north-northwest. To the west is the almost completely flooded crater Yerkes. To east of Picard is the tiny Curtis.

Picard is a crater from the Eratosthenian period, which lasted from 3.2 to 1.1 billion years ago.^[2] Inside Picard is a series of terraces that seismologists have attributed to a collapse of the crater floor. It has a cluster of low hills at the bottom.^[3]

Satellite craters

Satellite craters of Picard

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Picard.^[4]

Oblique Lunar Orbiter 4 image

Oblique Apollo 15 Panoramic Camera image, facing south

Picard	Coordinates	Diameter, km
K	[ ⚑ ] 9°44′N 54°34′E / 9.73°N 54.56°E / 9.73; 54.56 (Picard K)	9
L	[ ⚑ ] 10°19′N 54°19′E / 10.32°N 54.31°E / 10.32; 54.31 (Picard L)	7
M	[ ⚑ ] 10°13′N 53°57′E / 10.21°N 53.95°E / 10.21; 53.95 (Picard M)	8
N	[ ⚑ ] 10°31′N 53°34′E / 10.52°N 53.57°E / 10.52; 53.57 (Picard N)	19
P	[ ⚑ ] 8°49′N 53°37′E / 8.82°N 53.62°E / 8.82; 53.62 (Picard P)	8
Y	[ ⚑ ] 13°11′N 60°16′E / 13.18°N 60.27°E / 13.18; 60.27 (Picard Y)	4

The following craters have been renamed by the IAU.

Picard G — see Tebbutt.
Picard H — see Shapley.
Picard X — see Fahrenheit.
Picard Z — see Curtis.

References

↑ "Picard (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
↑ The geologic history of the Moon. USGS Professional Paper 1348. By Don E. Wilhelms, John F. McCauley, and Newell J. Trask. U.S. Government Printing Office, Washington: 1987. Table 12.2.
↑ Moore, Patrick (2001). On the Moon. Sterling Publishing Co.. ISBN:0-304-35469-4.
↑ Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 0-521-81528-2.

External links

LTO-62A1 Yerkes — L&PI topographic map
Map of the region
Part of Picard crater: photo by Lunar Reconnaissance Orbiter with resolution 1,3 meters/pixel
"Picard Crater Impact Melt". lroc.sese.asu.edu. 2012-12-11. Archived from the original on 2014-12-12. https://web.archive.org/web/20141212162704/http://lroc.sese.asu.edu/posts/658. Retrieved 2014-12-12.
"The Crater Picard: Strange Convergences". vgl.org. 1996-04-04. Archived from the original on 2007-10-25. https://web.archive.org/web/20071025005725/http://www.vgl.org/webfiles/lan/picard.htm. Retrieved 2014-12-12.
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[1] "Picard (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

[2] The geologic history of the Moon. USGS Professional Paper 1348. By Don E. Wilhelms, John F. McCauley, and Newell J. Trask. U.S. Government Printing Office, Washington: 1987. Table 12.2.

[3] Moore, Patrick (2001). On the Moon. Sterling Publishing Co.. ISBN:0-304-35469-4.

[4] Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 0-521-81528-2.

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Picard (crater)

Topic: Astronomy

Satellite craters

References

External links