Alphonsus on the Moon Map
Alphonsus
| Feature type | Crater |
| Size (km) | 350 |
| Coordinates (latitude, longitude) | -13.4, -2.9 |
Alphonsus - Lunar Crater
Alphonsus is a prominent impact crater located in the central highlands of the Moon's near side. It is known for its central peak and dark-haloed craters on its floor.
The crater has a diameter of approximately 119 kilometers and a depth of about 2.7 kilometers. Its central peak rises to a height of approximately 1.5 kilometers.
Alphonsus is estimated to be around 3.9 billion years old and is a key feature for lunar studies.
Moon Surface Features Facing Earth
Dark basaltic plain where Apollo 11 landed in 1969, known as the 'Sea of Tranquility'.
A dark plain called the 'Sea of Fertility,' visible from Earth with a telescope or binoculars.
Mare Serenitatis
Sea
Round, dark plain adjacent to Mare Tranquillitatis, formed by ancient volcanic activity.
Apollo 14 landing site
Landing Site
1971 mission landing near Fra Mauro, a hilly region from Imbrium impact.
Apollo 17 landing site
Landing Site
1972 mission, last crewed Moon landing; explored Taurus–Littrow valley.
Apollo 15 landing site
Landing Site
1971 mission to Hadley Rille near Apennine Mountains; first use of lunar rover.
We acknowledge the resources provided by
Solar System Scope
for high-resolution planetary textures, and the
Gazetteer of Planetary Nomenclature
for official planetary naming data. We remain responsible for any errors in their use.