Kepler-20 g
A confirmed exoplanet orbiting Kepler-20.
Compared with Earth
- Mass
- About 20 times Earth's mass.
- Temperature
- About 251 °C (484 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 35 Earth days.
Planet
- Radius
- Unknown
- Mass
- 19.96 × Earth
- Density
- Unknown
- Equilibrium temperature
- 524 K
- Starlight received
- Unknown
- Orbital period
- 34.94 days
- Average distance from its star
- 0.2055 AU
Star
- Host star
- Kepler-20
- Spectral class
- G — sun-like
- Surface temperature
- 5,495 K
- Radius
- 0.9639 × Sun
- Mass
- 0.948 × Sun
- Age
- 7.6 billion years
System
- Distance from Earth
- 921.6 light-years (282.6 parsecs)
- Stars in system
- 2
- Known planets
- 6
Discovery
- Year
- 2016
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.