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Public Universe

Exoplanet

GJ 687 b

14.84 light-years

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Discovery
Radial Velocity · 2014
Radius
4.32 Earth radii
Mass
17.2 (+1 / −1) Earth masses
Orbital period
38.142 (+7 × 10⁻³ / −7 × 10⁻³) days
Semi-major axis
0.163 (+3 × 10⁻³ / −3 × 10⁻³) AU
Equilibrium temperature
263.65 (+3.93 / −3.93) 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