CONFIRMED EXOPLANET
·
Gas Giant
HD 221420 b
Orbits Host Star: HD 221420
(Type G2 IV-V)
· Distance: 101.600 Light-Years (31.142 pc)
Planetary Radius
12.000 R⊕
Planetary Mass
7278.271 M⊕
Surface Gravity
50.54 g / g⊕
Equilibrium Temp
123K (-150°C / -238°F)
Orbital Period
10090 days
Discovery Year
2019 (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: Anglo-Australian Telescope.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS