IAU Lunar Nomenclature
Lacus Spei
Lacus Spei is an officially adopted lacus, lacūs on the Moon. Explore its selenographic position and surrounding terrain in 3D.
Feature Profile
- Feature type
- Lacus, lacūs
- Coordinates
- 43.46° N · 65.20° E
- Diameter
- 76.67096 km
- IAU approval
- 1976/01/01 00:00:00
- LAC quadrangle
- LAC-28 · Gauss
Name origin
"Lake of Hope."