Exoplanet
HD 50554 b
101.65 light-years
- Discovery
- Radial Velocity · 2002
- Radius
- 12.8 Earth radii
- Mass
- 1,859.2962 (+286.0456 / −165.2708) Earth masses
- Orbital period
- 1,240 (+7 / −8.4) days
- Semi-major axis
- 2.339 (+0.03 / −0.029) AU
- Equilibrium temperature
- 192.65 (+2.75 / −2.75) 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