Kepler-186 b
A confirmed exoplanet orbiting Kepler-186.
Compared with Earth
- Size
- About 1.1 times Earth's width.
- Year
- A year here lasts about 3.9 Earth days.
Planet
- Radius
- 1.07 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3.887 days
- Average distance from its star
- 0.0343 AU
Star
- Host star
- Kepler-186
- Spectral class
- M — red dwarf
- Surface temperature
- 3,788 K
- Radius
- 0.472 × Sun
- Mass
- 0.478 × Sun
- Age
- 4 billion years
System
- Distance from Earth
- 579.2 light-years (177.6 parsecs)
- Stars in system
- 1
- Known planets
- 5
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.