STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // alf Ari b
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CONFIRMED EXOPLANET · Gas Giant

alf Ari b

Orbits Host Star: alf Ari (Type K2III) · Distance: 65.900 Light-Years (20.210 pc)
Planetary Radius
13.400 R⊕
Planetary Mass
572.070 M⊕
Surface Gravity
3.19 g / g⊕
Equilibrium Temp
747K (+474°C / +885°F)
Orbital Period
380.8 days
Discovery Year
2010 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (747 K · +474°C / +885°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Bohyunsan Optical Astronomical Observatory.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗