STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // XO-3 b
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CONFIRMED EXOPLANET · Gas Giant

XO-3 b

Orbits Host Star: XO-3 (Type F5V) · Distance: 694.900 Light-Years (213.053 pc)
Planetary Radius
14.796 R⊕
Planetary Mass
4217.583 M⊕
Surface Gravity
19.27 g / g⊕
Equilibrium Temp
1890K (+1617°C / +2943°F)
Orbital Period
3.192 days
Discovery Year
2007 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (1890 K · +1617°C / +2943°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: XO.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗