CONFIRMED EXOPLANET
·
Gas Giant
HD 178911 B b
Orbits Host Star: HD 178911 B
(Type G5)
· Distance: 133.600 Light-Years (40.973 pc)
Planetary Radius
12.600 R⊕
Planetary Mass
2552.175 M⊕
Surface Gravity
16.08 g / g⊕
Equilibrium Temp
480K (+207°C / +405°F)
Orbital Period
71.484 days
Discovery Year
2001 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (480 K · +207°C / +405°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: W. M. Keck Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS