Kepler-447 b

A confirmed exoplanet orbiting Kepler-447.

Compared with Earth

Size
About 18 times Earth's width.
Mass
About 435 times Earth's mass.
Year
A year here lasts about 7.8 Earth days.

Planet

Radius
18.49 × Earth
Mass
435.4 × Earth
Density
0.4 g/cm³
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
7.794 days
Average distance from its star
0.0769 AU

Star

Host star
Kepler-447
Spectral class
G — sun-like
Surface temperature
5,493 K
Radius
1.05 × Sun
Mass
1 × Sun
Age
Unknown

System

Distance from Earth
874.2 light-years (268 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2015
Method
Transit
Facility
Kepler

Data from the NASA Exoplanet Archive, synced October 14, 2026.