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Public Universe

Exoplanet

HIP 34222 b

74.49 light-years

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Discovery
Radial Velocity · 2021
Radius
13.9 Earth radii
Mass
263.7976 Earth masses
Orbital period
159.986 (+2.6753 / −2.9256) days
Semi-major axis
0.492 AU
Equilibrium temperature
218.98 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