CONFIRMED EXOPLANET
·
Sub-Neptune
HD 153557 c
Orbits Host Star: HD 153557
(Type K0)
· Distance: 58.500 Light-Years (17.941 pc)
Planetary Radius
4.360 R⊕
Planetary Mass
17.481 M⊕
Surface Gravity
0.92 g / g⊕
Equilibrium Temp
604K (+331°C / +628°F)
Orbital Period
15.27 days
Discovery Year
2022 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (604 K · +331°C / +628°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