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Public Universe

Exoplanet

GJ 3634 b

66.46 light-years

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Discovery
Radial Velocity · 2010
Radius
2.83 Earth radii
Mass
8.4 (+4 / −1.5) Earth masses
Orbital period
2.6456 (+6.6 × 10⁻⁴ / −6.6 × 10⁻⁴) days
Semi-major axis
0.0287 (+1 × 10⁻³ / −1.1 × 10⁻³) AU
Equilibrium temperature
656.45 (+39.08 / −39.08) K
Mass provenance
Mass

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