CONFIRMED EXOPLANET
·
Gas Giant
HD 28678 b
Orbits Host Star: HD 28678
(Type G8 IV)
· Distance: 619.400 Light-Years (189.908 pc)
Planetary Radius
13.500 R⊕
Planetary Mass
490.094 M⊕
Surface Gravity
2.69 g / g⊕
Equilibrium Temp
562K (+289°C / +552°F)
Orbital Period
380.2 days
Discovery Year
2011 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (562 K · +289°C / +552°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: W. M. Keck Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS