Kepler-434 b

A confirmed exoplanet orbiting Kepler-434.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 909 times Earth's mass.
Temperature
About 727 °C (1,340 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 13 Earth days.

Planet

Radius
12.67 × Earth
Mass
909 × Earth
Density
2.4 g/cm³
Equilibrium temperature
1,000 K
Starlight received
Unknown
Orbital period
12.87 days
Average distance from its star
0.1143 AU

Star

Host star
Kepler-434
Spectral class
G — sun-like
Surface temperature
5,977 K
Radius
1.38 × Sun
Mass
1.198 × Sun
Age
4 billion years

System

Distance from Earth
3,987 light-years (1,223 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.