Kepler-431 d
A confirmed exoplanet orbiting Kepler-431.
Compared with Earth
- Size
- About 1.1 times Earth's width.
- Temperature
- About 583 °C (1,081 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 12 Earth days.
Planet
- Radius
- 1.11 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 856 K
- Starlight received
- Unknown
- Orbital period
- 11.92 days
- Average distance from its star
- 0.1045 AU
Star
- Host star
- Kepler-431
- Spectral class
- F — yellow-white
- Surface temperature
- 6,004 K
- Radius
- 1.092 × Sun
- Mass
- 1.071 × Sun
- Age
- Unknown
System
- Distance from Earth
- 1,587 light-years (486.5 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2015
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.