CONFIRMED EXOPLANET · Gas Giant

HD 5319 b

Orbits Host Star: HD 5319 (Type G5) · Distance: 396.000 Light-Years (121.405 pc)

Planetary Radius

13.500 R⊕

Planetary Mass

494.543 M⊕

Surface Gravity

2.71 g / g⊕

Equilibrium Temp

378K (+105°C / +221°F)

Orbital Period

637.1 days

Discovery Year

2007 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (378 K · +105°C / +221°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: W. M. Keck Observatory.

Other Worlds in the HD 5319 System (1)

HD 5319 c

Gas Giant · 872.2d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

Inspect Raw NASA Archive Record ↗