CONFIRMED EXOPLANET
·
Gas Giant
HD 457 b
Orbits Host Star: HD 457
· Distance: 179.500 Light-Years (55.038 pc)
Planetary Radius
11.900 R⊕
Planetary Mass
8445.336 M⊕
Surface Gravity
59.64 g / g⊕
Equilibrium Temp
85K (-188°C / -306°F)
Orbital Period
20324.582 days
Discovery Year
2022 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 85 K (-188°C / -306°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Multiple Observatories.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS