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Public Universe

Exoplanet

HAT-P-64 b

2,126.2 light-years

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Discovery
Transit · 2021
Radius
19.0889 (+0.7846 / −0.7846) Earth radii
Mass
184.3405 (+57.2091 / −41.3177) Earth masses
Orbital period
4.0072 (+1.7 × 10⁻⁶ / −1.7 × 10⁻⁶) days
Semi-major axis
0.0539 (+3 × 10⁻⁴ / −3 × 10⁻⁴) AU
Equilibrium temperature
1,766 (+22 / −16) 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