Exoplanet
HD 4917 b
666.26 light-years
- Discovery
- Radial Velocity · 2018
- Radius
- 13.5 Earth radii
- Mass
- 513.2955 (+29.2404 / −29.2404) Earth masses
- Orbital period
- 400.5 (+1.7 / −1.7) days
- Semi-major axis
- 1.167 (+0.065 / −0.065) AU
- Equilibrium temperature
- 479.78 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