AstroTale Command/EXOPLANET DOSSIER: KEPLER-442 B
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NASA EXOPLANET ARCHIVE TAP · HABITABLE ZONEhttp://127.0.0.1:11434/v1 • meteors-gemma:latest

Kepler-442 b — Kepler-442 System

Basking in the stable K-dwarf irradiance of Kepler-442, Kepler-442 b avoids the extreme XUV superflares of M-dwarfs while maintaining a 1.34 Earth-radius rocky super-Earth lithosphere.

Planet Radius
1.34 R⊕
8,537 km radius
Orbital Period
112.30 d
Host: Kepler-442
Equilibrium Temp
233 K
-40.1 °C
Earth Similarity
89% ESI
370.40 pc (1208.08 ly)

Caltech / NASA Exoplanet Archive TAP Parameters

pscomppars Table
Planet Designation (pl_name)Kepler-442 b
Stellar Host (hostname)Kepler-442
Discovery Year (disc_year)2015
Planetary Radius (pl_rade)1.34 R⊕
Orbital Period (pl_orbper)112.300 days
Equilibrium Temperature (pl_eqt)233 K
Distance (sy_dist)370.40 pc / 1208.08 light-years

Habitable-Zone Frequently Asked Questions

How far away is exoplanet Kepler-442 b from Earth?

Kepler-442 b is located 370.40 parsecs (1208.08 light-years) from Earth, completing one full orbit around Kepler-442 every 112.3 days.

What makes Kepler-442 b a primary AstroTale habitable-zone candidate?

With a radius of 1.34 R⊕ and an equilibrium temperature of 233 K, Kepler-442 b achieves a 89% Earth Similarity Score—placing it inside the circumstellar zone where liquid water can persist under moderate atmospheric pressure.

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Kepler-442 b — Habitable-Zone Exoplanet Dossier (1.34 R⊕, 233 K, 1208.1 ly) | AstroTale | Meteors.ai Space Network