Lassell (lunar crater)

This article is about the crater on the Moon. For the Martian crater, see Lassell (Martian crater).
The crater area(left) in a Selenochromatic format Image (Si)
Lassell
Lunar Orbiter 4 image
Coordinates15°30′S 7°54′W / 15.5°S 7.9°W / -15.5; -7.9
Diameter23 km
Depth0.9 km
Colongitude8° at sunrise
EponymWilliam Lassell

Lassell is a small lunar impact crater that is located in the eastern part of the Mare Nubium. It was named after British astronomer William Lassell,[1] who discovered Uranian moons Ariel and Umbriel, among other achievements.

Lassell lies to the west of the crater Alpetragius and southwest of Alphonsus.

Oblique view of Lassell from Apollo 16, facing south
Oblique view of vicinity of Lassell from Apollo 12, with Davy in the foreground
Oblique view of Lassell C (center) and the Lassell Massif (left), from Apollo 16. The irregular depressions in upper left are called Lassel G and K.
  1. ^ "Lassell (lunar crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.