Kepler-129 b
A confirmed exoplanet orbiting Kepler-129.
Compared with Earth
- Size
- About 2.4 times Earth's width.
- Mass
- About 20 times Earth's mass.
- Year
- A year here lasts about 16 Earth days.
Planet
- Radius
- 2.4 × Earth
- Mass
- 20 × Earth
- Density
- 8.1 g/cm³
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 15.79 days
- Average distance from its star
- 0.13 AU
Star
- Host star
- Kepler-129
- Spectral class
- G — sun-like
- Surface temperature
- 5,770 K
- Radius
- 1.653 × Sun
- Mass
- 1.178 × Sun
- Age
- 6.43 billion years
System
- Distance from Earth
- 1,333 light-years (408.8 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.