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Polybius (lunar crater)

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Polybius
Rupes Altai - LROC - WAC.JPG
Polybius (center right) with Rupes Altai (LROC-WAC)
Polybius (Mond Äquatorregion)
Polybius
Position 22.44° S,25. 61° OCoordinates 22° 26′ 24″ S, 25° 36′ 36″ O
Diameter 41 km
Depth 2050 m[1]
Map Sheet 96 (PDF)
Named after Polybios
Named since 1935
Unless otherwise stated, the information is taken from the entry in the IAU/USGS database

40.81

Polybius is an impact crater on the lunar limb west of Mare Nectaris, southwest of Crater Beaumont, and east of Fermat, east of Rupes Altai.
The crater is highly eroded, the crater floor relatively flat.

List of the secondary craters of Polybius
Letter Position Diameter Link
A 23.06° S,27. 97° O 16 km [1]
B 25.59° S,25. 49° O 12 km [2]
C 22.11° S,23. 48° O 27 km [3]
D 26.91° S,27. 89° O 8 km [4]
E 24.45° S,26. 15° O 8 km [5]
F 22.34° S,23. 01° O 21 km [6]
G 22.54° S,22. 67° O 4 km [7]
H 21.24° S,22. 67° O 8 km [8]
J 22.81° S,23. 46° O 9 km [9]
K 24.39° S,24. 33° O 15 km [10]
L 22.03° S,28. 17° O 6 km [11]
M 21.42° S,22. 05° O 5 km [12]
N 23.46° S,26. 75° O 13 km [13]
P 21.59° S,22.9° O 15 km [14]
Q 25.14° S,27. 49° O 6 km [15]
R 25.64° S,27. 29° O 7 km [16]
T 26.15° S,25. 42° O 11 km [17]
V 25.24° S,29. 02° O 5 km [18]

The crater was officially named by the IAU in 1935 after the Greek historian Polybius. Polybius is the English spelling of his name. Also after Polybius, an asteroid was named in 1996: (6174) Polybius.

Web links

  • Polybius in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
  • Polybius on The-Moon Wiki

Individual references

  1. John E. Westfall: Atlas of the Lunar Terminator. Cambridge University Press, Cambridge et al. 2000, ISBN 0-521-59002-7.