Exoplanet
HD 28678 b
619.4 light-years
- Discovery
- Radial Velocity · 2011
- Radius
- 13.5 Earth radii
- Mass
- 490.0939 (+23.2016 / −23.2016) Earth masses
- Orbital period
- 380.2 (+1.6 / −1.6) days
- Semi-major axis
- 1.18 (+0.2 / −0.2) AU
- Equilibrium temperature
- 561.84 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