CONFIRMED EXOPLANET
·
Gas Giant
HD 81688 b
Orbits Host Star: HD 81688
(Type K0 III-IV)
· Distance: 279.600 Light-Years (85.718 pc)
Planetary Radius
13.500 R⊕
Planetary Mass
525.688 M⊕
Surface Gravity
2.88 g / g⊕
Equilibrium Temp
959K (+686°C / +1267°F)
Orbital Period
183.93 days
Discovery Year
2007 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (959 K · +686°C / +1267°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Okayama Astrophysical Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS