Exoplanet
HD 63433 d
73.07 light-years
- Discovery
- Transit · 2023
- Radius
- 1.073 (+0.046 / −0.044) Earth radii
- Mass
- 1.25 Earth masses
- Orbital period
- 4.2091 (+1.2 × 10⁻⁵ / −2.3 × 10⁻⁵) days
- Semi-major axis
- 0.0503 (+2.5 × 10⁻³ / −2.7 × 10⁻³) AU
- Equilibrium temperature
- 1,040 (+40 / −40) K
- Mass provenance
- M-R relationship
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