Kepler-186f

Kepler-186f is a confirmed Kepler Telescope discovery that was the first Earth-like extra-solar planet (exo-Earth) found in a star's habitable zone. It is part of the M dwarf, Kepler-186's planetary system which also includes four other known planets. Characteristics:

• Host star: Kepler-186 aka KOI-571.
• Discovery: by the transit method in 2014.
• 178 pc - distance.
• 0.432 AU - orbital radius (semi-major axis).
• 130 days - orbital period.
• 1.17 - radius in Earth radii.
• 1.44 - Earth masses.
• 188 K - equilibrium temperature.