Kepler-509 b
A confirmed exoplanet orbiting Kepler-509.
Compared with Earth
- Size
- About 2.5 times Earth's width.
- Year
- A year here lasts about 42 Earth days.
Planet
- Radius
- 2.49 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 41.75 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-509
- Spectral class
- F — yellow-white
- Surface temperature
- 6,060 K
- Radius
- 1.2 × Sun
- Mass
- 1.1 × Sun
- Age
- 4.27 billion years
System
- Distance from Earth
- 1,084 light-years (332.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.