CONFIRMED EXOPLANET
·
Gas Giant
HD 153557 d
Orbits Host Star: HD 153557
(Type K0)
· Distance: 58.500 Light-Years (17.941 pc)
Planetary Radius
11.900 R⊕
Planetary Mass
8725.661 M⊕
Surface Gravity
61.62 g / g⊕
Equilibrium Temp
43K (-230°C / -382°F)
Orbital Period
40654.648 days
Discovery Year
2022 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 43 K (-230°C / -382°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Multiple Observatories.
Other Worlds in the HD 153557 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS