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Exoplanet

HD 219415 b

538.76 light-years

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Discovery
Radial Velocity · 2012
Radius
13.8 Earth radii
Mass
317.83 Earth masses
Orbital period
2,093.3 (+32.7 / −32.7) days
Semi-major axis
3.2 AU
Equilibrium temperature
221.26 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