Kepler-426 b
A confirmed exoplanet orbiting Kepler-426.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 108 times Earth's mass.
- Temperature
- About 1,027 °C (1,880 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.2 Earth days.
Planet
- Radius
- 12.22 × Earth
- Mass
- 108.1 × Earth
- Density
- 0.26 g/cm³
- Equilibrium temperature
- 1,300 K
- Starlight received
- Unknown
- Orbital period
- 3.218 days
- Average distance from its star
- 0.0414 AU
Star
- Host star
- Kepler-426
- Spectral class
- G — sun-like
- Surface temperature
- 5,725 K
- Radius
- 0.92 × Sun
- Mass
- 0.91 × Sun
- Age
- 6 billion years
System
- Distance from Earth
- 2,752 light-years (843.7 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.