47 Ursae Majoris System

Planet b and its moon in the 47 Ursae Majoris system

System: 47 Ursae Majoris

Primary Star: 47 Ursae Majoris/HD 98231

Stellar Type: G0V ☼

Companion Star(s): None

Distance from Earth: 45.9 ly

Constellation: Ursa Major

Region: Inner/Sol

Population: 70,000

Summary:

The 47 Ursae Majoris system contains two planets; the inner has a mass 2.4 times that of Jupiter sitting at a distance of 2.1 au, and the outer has about ¾ the mass of Jupiter at a distance of 3.73 au.  The moons of the inner planet are a bit colder than Mars; they have a small population living on the surface.

Closest Inhabited Systems: