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Riccius (crater)

Crater on the Moon

Field	Value
image	File:Riccius crater 4083 h3.jpg
caption	Lunar Orbiter 4 image
coordinates
diameter	71.79 km
depth	1.8 km
colong	335
eponym	Augustinus Riccius and Matteo Ricci

The crater area (at the right) in a selenochromatic format image (Si)

Riccius is a lunar impact crater that is located in the rugged, southeastern part of the Moon's near side. It was named after Italian astronomers Augustinus Riccius and Matteo Ricci. It lies within one crater diameter southeast of the crater Rabbi Levi. To the east-northeast is Stiborius and due south is Nicolai.

This formation has been so heavily bombarded by subsequent impacts that it is nearly unrecognizable as a crater. Only the western and southwestern parts of the rim remains intact, the remainder having been obliterated by small craters. These craters also occupy parts of the northern and southern floor. Only a section in the northeast and near the intact western rim remain unmarked. This is perhaps the most defaced crater formation on the Moon that possesses an eponym.

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 Riccius.

Riccius	Latitude	Longitude	Diameter
A	35.9° S	27.4° E	24 km
B	37.5° S	27.8° E	19 km
C	36.2° S	28.8° E	24 km
D	40.3° S	28.9° E	17 km
E	39.9° S	26.4° E	22 km
G	38.5° S	24.4° E	13 km
H	35.4° S	26.1° E	20 km
J	40.7° S	26.0° E	13 km
K	39.1° S	25.7° E	6 km
L	41.5° S	26.8° E	8 km
M	37.8° S	26.4° E	14 km
N	41.1° S	27.6° E	13 km
O	36.2° S	27.8° E	9 km
P	35.7° S	28.1° E	11 km
R	41.4° S	30.7° E	7 km
S	37.0° S	26.5° E	11 km
T	36.3° S	25.0° E	7 km
W	38.9° S	25.2° E	19 km
X	38.8° S	26.7° E	11 km
Y	35.8° S	29.1° E	10 km

References

{{cite book | author-link2 = Ewen Whitaker
{{cite book | author-link1 = Ben Bussey | author-link2 = Paul Spudis
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{{cite web | access-date = 2007-10-24 | archive-date = 2012-02-08 | archive-url = https://web.archive.org/web/20120208141804/http://host.planet4589.org/astro/lunar/ | url-status = dead
{{cite book | author-link = Patrick Moore
{{cite book
{{cite book | author-link = Antonín Rükl
{{cite book | author-link = Thomas William Webb
{{cite book | author-link = Ewen Whitaker
{{cite book

References

"Riccius". [[International Astronomical Union]].

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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