CONFIRMED EXOPLANET
·
Gas Giant
HD 66428 b
Orbits Host Star: HD 66428
(Type G8 IV (+ G))
· Distance: 173.800 Light-Years (53.282 pc)
Planetary Radius
12.400 R⊕
Planetary Mass
3478.950 M⊕
Surface Gravity
22.63 g / g⊕
Equilibrium Temp
159K (-114°C / -173°F)
Orbital Period
2269.817 days
Discovery Year
2005 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 159 K (-114°C / -173°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: W. M. Keck Observatory.
Other Worlds in the HD 66428 System (1)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS