CONFIRMED EXOPLANET
·
Gas Giant
HD 220689 b
Orbits Host Star: HD 220689
(Type G3 V)
· Distance: 152.900 Light-Years (46.878 pc)
Planetary Radius
13.700 R⊕
Planetary Mass
381.394 M⊕
Surface Gravity
2.03 g / g⊕
Equilibrium Temp
160K (-113°C / -171°F)
Orbital Period
2266.4 days
Discovery Year
2012 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 160 K (-113°C / -171°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: La Silla Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS