Kepler-186 f — Kepler-186 System
The first Earth-sized world discovered in the habitable zone of another star, Kepler-186 f orbits near the outer CO2-greenhouse boundary where dense volatile atmospheres stabilize liquid water.
Caltech / NASA Exoplanet Archive TAP Parameters
Habitable-Zone Frequently Asked Questions
How far away is exoplanet Kepler-186 f from Earth?
Kepler-186 f is located 178.50 parsecs (582.19 light-years) from Earth, completing one full orbit around Kepler-186 every 129.9 days.
What makes Kepler-186 f a primary AstroTale habitable-zone candidate?
With a radius of 1.17 R⊕ and an equilibrium temperature of 188 K, Kepler-186 f achieves a 81% Earth Similarity Score—placing it inside the circumstellar zone where liquid water can persist under moderate atmospheric pressure.
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