CONFIRMED EXOPLANET
·
Gas Giant
HR 8799 e
Orbits Host Star: HR 8799
(Type A5)
· Distance: 134.500 Light-Years (41.244 pc)
Planetary Radius
13.115 R⊕
Planetary Mass
3178.300 M⊕
Surface Gravity
18.48 g / g⊕
Equilibrium Temp
1150K (+877°C / +1611°F)
Orbital Period
20815.6 days
Discovery Year
2010 (Imaging)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1150 K · +877°C / +1611°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: W. M. Keck Observatory.
Other Worlds in the HR 8799 System (3)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS