STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // XO-1 b
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CONFIRMED EXOPLANET · Gas Giant

XO-1 b

Orbits Host Star: XO-1 (Type G1 V) · Distance: 533.400 Light-Years (163.553 pc)
Planetary Radius
12.778 R⊕
Planetary Mass
263.799 M⊕
Surface Gravity
1.62 g / g⊕
Equilibrium Temp
1210K (+937°C / +1719°F)
Orbital Period
3.942 days
Discovery Year
2006 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (1210 K · +937°C / +1719°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: XO.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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