CONFIRMED EXOPLANET
·
Gas Giant
HD 171238 b
Orbits Host Star: HD 171238
(Type G8 V)
· Distance: 146.200 Light-Years (44.811 pc)
Planetary Radius
12.500 R⊕
Planetary Mass
2796.890 M⊕
Surface Gravity
17.9 g / g⊕
Equilibrium Temp
167K (-106°C / -159°F)
Orbital Period
1515 days
Discovery Year
2009 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 167 K (-106°C / -159°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