CONFIRMED EXOPLANET
·
Gas Giant
HD 17156 b
Orbits Host Star: HD 17156
(Type G5)
· Distance: 254.700 Light-Years (78.086 pc)
Planetary Radius
12.263 R⊕
Planetary Mass
1036.121 M⊕
Surface Gravity
6.89 g / g⊕
Equilibrium Temp
888K (+615°C / +1139°F)
Orbital Period
21.216 days
Discovery Year
2007 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (888 K · +615°C / +1139°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Subaru Telescope.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS