STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HD 11977 b
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CONFIRMED EXOPLANET · Gas Giant

HD 11977 b

Orbits Host Star: HD 11977 (Type G8 III/IV) · Distance: 221.600 Light-Years (67.933 pc)
Planetary Radius
12.700 R⊕
Planetary Mass
2080.000 M⊕
Surface Gravity
12.9 g / g⊕
Equilibrium Temp
548K (+275°C / +527°F)
Orbital Period
711 days
Discovery Year
2005 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (548 K · +275°C / +527°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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