Kepler-38 b
A confirmed exoplanet orbiting Kepler-38.
Compared with Earth
- Size
- About 4.3 times Earth's width.
- Mass
- About 122 times Earth's mass.
- Temperature
- About 202 °C (395 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 106 Earth days.
Planet
- Radius
- 4.3 × Earth
- Mass
- 122 × Earth
- Density
- Unknown
- Equilibrium temperature
- 475 K
- Starlight received
- Unknown
- Orbital period
- 105.6 days
- Average distance from its star
- 0.4632 AU
Star
- Host star
- Kepler-38
- Spectral class
- G — sun-like
- Surface temperature
- 5,623 K
- Radius
- 1.752 × Sun
- Mass
- 0.941 × Sun
- Age
- 10 billion years
System
- Distance from Earth
- 3,831 light-years (1,175 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2012
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.