CONFIRMED EXOPLANET
·
Gas Giant
HD 18438 b
Orbits Host Star: HD 18438
(Type M2.5 III)
· Distance: 731.100 Light-Years (224.146 pc)
Planetary Radius
12.100 R⊕
Planetary Mass
6674.397 M⊕
Surface Gravity
45.59 g / g⊕
Equilibrium Temp
1208K (+935°C / +1715°F)
Orbital Period
803 days
Discovery Year
2023 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1208 K · +935°C / +1715°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Bohyunsan Optical Astronomical Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS