IAU Lunar Nomenclature
Janssen
Janssen is an officially adopted crater, craters on the Moon. Explore its selenographic position and surrounding terrain in 3D.
Feature Profile
- Feature type
- Crater, craters
- Coordinates
- 44.96° S · 40.82° E
- Diameter
- 200.65138 km
- IAU approval
- 1935/01/01 00:00:00
- LAC quadrangle
- LAC-114 · Rheita
Name origin
Pierre Jules César; French astronomer (1824-1907).