CONFIRMED EXOPLANET · Gas Giant

HD 155358 b

Orbits Host Star: HD 155358 (Type G0) · Distance: 142.300 Light-Years (43.620 pc)

Planetary Radius

13.800 R⊕

Planetary Mass

314.652 M⊕

Surface Gravity

1.65 g / g⊕

Equilibrium Temp

421K (+148°C / +298°F)

Orbital Period

194.3 days

Discovery Year

2007 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (421 K · +148°C / +298°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: McDonald Observatory.

Other Worlds in the HD 155358 System (1)

HD 155358 c

Gas Giant · 391.9d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

Inspect Raw NASA Archive Record ↗