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Public Universe

Exoplanet

HIP 57274 d

84.35 light-years

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Discovery
Radial Velocity · 2011
Radius
14.2 Earth radii
Mass
167.4 (+8 / −8) Earth masses
Orbital period
431.7 (+8.5 / −8.5) days
Semi-major axis
1.01 AU
Equilibrium temperature
183.59 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