Exoplanet
HD 121504 b
135.87 light-years
- Discovery
- Radial Velocity · 2003
- Radius
- 13.6 Earth radii
- Mass
- 479.9233 (+41.3179 / −41.3179) Earth masses
- Orbital period
- 63.33 (+0.03 / −0.03) days
- Semi-major axis
- 0.33 (+0.01 / −0.01) AU
- Equilibrium temperature
- 523.32 (+9.55 / −9.55) K
- Mass provenance
- Msini
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