LHS 1140 b — LHS 1140 System
Cataloged by the NASA Exoplanet Archive TAP service, LHS 1140 b orbits host star LHS 1140 every 24.737 days at a distance of 14.99 parsecs (48.89 light-years). With a planetary radius of 1.73 R⊕, equilibrium temperature of 226 K, and habitability index of 0.87, it represents a premier target for transmission spectroscopy of water vapor, carbon dioxide, and biosignature disequilibrium gases.
Caltech / NASA Exoplanet Archive TAP Parameters
Habitable-Zone Frequently Asked Questions
How far away is exoplanet LHS 1140 b from Earth?
LHS 1140 b is located 14.99 parsecs (48.89 light-years) from Earth, completing one full orbit around LHS 1140 every 24.737 days.
What makes LHS 1140 b a primary AstroTale habitable-zone candidate?
With a radius of 1.73 R⊕ and an equilibrium temperature of 226 K, LHS 1140 b achieves a 87% Earth Similarity Score—placing it inside the circumstellar zone where liquid water can persist under moderate atmospheric pressure.
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