CONFIRMED EXOPLANET
·
Sub-Neptune
HD 153557 b
Orbits Host Star: HD 153557
(Type K0)
· Distance: 58.500 Light-Years (17.941 pc)
Planetary Radius
4.770 R⊕
Planetary Mass
20.341 M⊕
Surface Gravity
0.89 g / g⊕
Equilibrium Temp
772K (+499°C / +930°F)
Orbital Period
7.299 days
Discovery Year
2022 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (772 K · +499°C / +930°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Multiple Observatories.
Other Worlds in the HD 153557 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS