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Public Universe

Exoplanet

HD 219828 c

238.47 light-years

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Discovery
Radial Velocity · 2016
Radius
12.2 Earth radii
Mass
5,102.4172 (+1,118.756 / −403.6421) Earth masses
Orbital period
4,789.873 (+90.6708 / −80.7301) days
Semi-major axis
5.657 (+0.228 / −0.242) AU
Equilibrium temperature
149.17 (+3.67 / −3.67) 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