Kepler-401 d
A confirmed exoplanet orbiting Kepler-401.
Compared with Earth
- Size
- About 2.3 times Earth's width.
- Year
- A year here lasts about 184 Earth days.
Planet
- Radius
- 2.27 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 184.3 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-401
- Spectral class
- F — yellow-white
- Surface temperature
- 6,184 K
- Radius
- 1.29 × Sun
- Mass
- 1.17 × Sun
- Age
- 3.39 billion years
System
- Distance from Earth
- 3,149 light-years (965.6 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.