Kepler-43 b

A confirmed exoplanet orbiting Kepler-43.

Compared with Earth

Size
About 14 times Earth's width.
Mass
About 1,027 times Earth's mass.
Temperature
About 1,347 °C (2,456 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 3 Earth days.

Planet

Radius
13.66 × Earth
Mass
1,027 × Earth
Density
5 g/cm³
Equilibrium temperature
1,620 K
Starlight received
Unknown
Orbital period
3.024 days
Average distance from its star
0.046 AU

Star

Host star
Kepler-43
Spectral class
F — yellow-white
Surface temperature
6,041 K
Radius
1.42 × Sun
Mass
1.32 × Sun
Age
Unknown

System

Distance from Earth
3,281 light-years (1,006 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2011
Method
Transit
Facility
Kepler

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