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Public Universe

Exoplanet

GJ 422 b

41.3 light-years

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Discovery
Radial Velocity · 2014
Radius
3.33 Earth radii
Mass
11.07 (+1.12 / −1.12) Earth masses
Orbital period
20.129 (+5 × 10⁻³ / −5 × 10⁻³) days
Semi-major axis
0.111 (+4 × 10⁻³ / −4 × 10⁻³) AU
Equilibrium temperature
292.68 K
Mass provenance
Msini

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00