CONFIRMED EXOPLANET
·
Gas Giant
HD 40307 b
Orbits Host Star: HD 40307
(Type K2.5 V)
· Distance: 42.200 Light-Years (12.936 pc)
Planetary Radius
—
Planetary Mass
1188.996 M⊕
Surface Gravity
—
Equilibrium Temp
910K (+637°C / +1179°F)
Orbital Period
4.312 days
Discovery Year
2009 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (910 K · +637°C / +1179°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: La Silla Observatory.
Other Worlds in the HD 40307 System (4)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS