Kepler-48, previously designated KOI-148, is a subgiant star in the constellation of Cygnus, about 1,000 light years away.

Planetary System

Kepler-48 has five confirmed exoplanets.

The Kepler-48 planetary system
Companion (in order from star)MassSemimajor axis (AU)Orbital period (days)EccentricityInclinationRadius
b6.8±2.9 M🜨0.0544.781.85±0.09 R🜨
c11.1±3.2 M🜨0.0869.672.56±0.07 R🜨
d9±6 M🜨0.2342.91.98±0.07 R🜨
e2.16±0.07 MJ1.910010.003±0.028
f0.93±0.29 MJ5.752050.01±0.15