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Public Universe

Exoplanet

HD 63433 b

73.07 light-years

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Discovery
Transit · 2020
Radius
2.14 (+0.087 / −0.069) Earth radii
Mass
< 21.755 Earth masses
Orbital period
7.1079 (+8.9 × 10⁻⁶ / −8.8 × 10⁻⁶) days
Semi-major axis
0.072 (+1 × 10⁻³ / −1 × 10⁻³) AU
Equilibrium temperature
967.11 (+18.5 / −15.89) 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