Exoplanet
HD 50554 d
101.65 light-years
- Discovery
- Transit · 2026
- Radius
- 1.41 (+0.14 / −0.09) Earth radii
- Mass
- < 10.4 Earth masses
- Orbital period
- 28.0694 (+4 × 10⁻⁴ / −4 × 10⁻⁴) days
- Semi-major axis
- 0.1831 (+2.9 × 10⁻³ / −2.9 × 10⁻³) AU
- Equilibrium temperature
- 651.11 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