Alpetragius (moon crater)

Alpetragius
Alpetragius, captured by Lunar Orbiter 4
position	16.05 °  S , 4.55 °  W Coordinates: 16 ° 3 ′ 0 "  S , 4 ° 33 ′ 0"  W
diameter	40 km
depth	3900 m
Card sheet	95 (PDF)
Named after	Nur al-Din al-Bitrudschi († around 1204)
Named since	1935
Unless otherwise stated, the information comes from the entry in the IAU / USGS database

Alpetragius is an impact crater on the front of the moon to the east of Mare Nubium , northwest of Arzachel crater and east of Lassell . The crater is heavily eroded and has a large and extensive central mountain .

The crater was officially named by the IAU in 1935 after the Arab astronomer Nur ad-Din al-Bitrudschi (Latinized Alpetragius ).

Alpetragius and its secondary craters

Surroundings of Alpetragius, recorded by LROC (WAC)

Alpetragius captured by Apollo 12

List of minor craters from Alpetragius

Letter	position	diameter	link
B.	15.15 °  S , 6.94 °  W	10 km	[1]
C.	13.76 °  S , 6.21 °  W	2 km	[2]
G	18.2 °  S , 6.63 °  W	13 km	[3]
H	18.02 °  S , 6.16 °  W	4 km	[4]
J	18.06 °  S , 5.76 °  W	4 km	[5]
M.	16.47 °  S , 3.3 °  W	23 km	[6]
N	16.74 °  S , 3.93 °  W	12 km	[7]
U	17.72 °  S , 5.16 °  W	16 km	[8th]
V	18.18 °  S , 5.85 °  W	16 km	[9]
W.	17.96 °  S , 6 °  W	28 km	[10]
X	15.6 °  S , 5.78 °  W	32 km	[11]

Web links

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

Individual evidence

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