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Public Universe

Exoplanet

HD 20329 b

207.7 light-years

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Discovery
Transit · 2022
Radius
1.72 (+0.07 / −0.07) Earth radii
Mass
7.42 (+1.09 / −1.09) Earth masses
Orbital period
0.9261 (+5 × 10⁻⁵ / −4.3 × 10⁻⁵) days
Semi-major axis
0.018 (+3 × 10⁻⁴ / −3 × 10⁻⁴) AU
Equilibrium temperature
2,141 (+27 / −27) 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