CONFIRMED EXOPLANET
·
Gas Giant
HD 217107 c
Orbits Host Star: HD 217107
(Type G)
· Distance: 65.400 Light-Years (20.062 pc)
Planetary Radius
12.900 R⊕
Planetary Mass
1388.910 M⊕
Surface Gravity
8.35 g / g⊕
Equilibrium Temp
123K (-150°C / -238°F)
Orbital Period
5138.7 days
Discovery Year
2005 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 123 K (-150°C / -238°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Lick Observatory.
Other Worlds in the HD 217107 System (1)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS