Kepler-409 b
A confirmed exoplanet orbiting Kepler-409.
Compared with Earth
- Size
- About 1.2 times Earth's width.
- Mass
- About 6 times Earth's mass.
- Temperature
- About 165 °C (329 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 6.2 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 69 Earth days.
Planet
- Radius
- 1.199 × Earth
- Mass
- 6 × Earth
- Density
- 19 g/cm³
- Equilibrium temperature
- 438 K
- Starlight received
- 6.15 × Earth
- Orbital period
- 68.96 days
- Average distance from its star
- 0.3192 AU
Star
- Host star
- Kepler-409
- Spectral class
- G — sun-like
- Surface temperature
- 5,421 K
- Radius
- 0.897 × Sun
- Mass
- 0.913 × Sun
- Age
- 5.8 billion years
System
- Distance from Earth
- 222.4 light-years (68.17 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.