CONFIRMED EXOPLANET
·
Gas Giant
HD 154857 b
Orbits Host Star: HD 154857
(Type G5 V)
· Distance: 206.900 Light-Years (63.448 pc)
Planetary Radius
13.300 R⊕
Planetary Mass
778.684 M⊕
Surface Gravity
4.4 g / g⊕
Equilibrium Temp
360K (+87°C / +189°F)
Orbital Period
408.6 days
Discovery Year
2004 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (360 K · +87°C / +189°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Anglo-Australian Telescope.
Other Worlds in the HD 154857 System (1)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS