TOI-1338 b — TOI-1338 A System
Cataloged by the NASA Exoplanet Archive TAP service, TOI-1338 b orbits host star TOI-1338 A every 95.4 days at a distance of 399.02 parsecs (1301.43 light-years). With a planetary radius of 7.66 R⊕, equilibrium temperature of 255 K, and habitability index of 0.55, 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 TOI-1338 b from Earth?
TOI-1338 b is located 399.02 parsecs (1301.43 light-years) from Earth, completing one full orbit around TOI-1338 A every 95.4 days.
What makes TOI-1338 b a primary AstroTale habitable-zone candidate?
With a radius of 7.66 R⊕ and an equilibrium temperature of 255 K, TOI-1338 b achieves a 55% Earth Similarity Score—placing it inside the circumstellar zone where liquid water can persist under moderate atmospheric pressure.
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