CONFIRMED EXOPLANET
·
Gas Giant
HD 212771 b
Orbits Host Star: HD 212771
(Type G8 IV)
· Distance: 362.500 Light-Years (111.155 pc)
Planetary Radius
13.300 R⊕
Planetary Mass
759.614 M⊕
Surface Gravity
4.29 g / g⊕
Equilibrium Temp
508K (+235°C / +455°F)
Orbital Period
380.7 days
Discovery Year
2009 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (508 K · +235°C / +455°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: W. M. Keck Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS