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Public Universe

Exoplanet

GJ 676 A d

52.27 light-years

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Discovery
Radial Velocity · 2012
Radius
1.78 Earth radii
Mass
3.8139 (+0.3178 / −0.3178) Earth masses
Orbital period
3.6008 (+1.9 × 10⁻⁴ / −2 × 10⁻⁴) days
Semi-major axis
0.039 (+1 × 10⁻³ / −1 × 10⁻³) AU
Equilibrium temperature
757.36 (+54.02 / −54.02) 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