Exoplanet

HAT-P-2 c

416.74 light-years

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Discovery: Radial Velocity · 2023
Radius: 12.4 Earth radii
Mass: 3,400.764 (+1,652.7077 / −699.2225) Earth masses
Orbital period: 8,500 (+2,600 / −1,500) days
Semi-major axis: Unknown
Equilibrium temperature: Unknown
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