STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HD 121504 b
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CONFIRMED EXOPLANET · Gas Giant

HD 121504 b

Orbits Host Star: HD 121504 (Type G2 V) · Distance: 135.900 Light-Years (41.659 pc)
Planetary Radius
13.600 R⊕
Planetary Mass
479.923 M⊕
Surface Gravity
2.59 g / g⊕
Equilibrium Temp
523K (+250°C / +482°F)
Orbital Period
63.33 days
Discovery Year
2003 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (523 K · +250°C / +482°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: La Silla Observatory.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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