CONFIRMED EXOPLANET
·
Sub-Neptune
HD 90156 b
Orbits Host Star: HD 90156
(Type G5V)
· Distance: 71.600 Light-Years (21.950 pc)
Planetary Radius
4.430 R⊕
Planetary Mass
17.980 M⊕
Surface Gravity
0.92 g / g⊕
Equilibrium Temp
518K (245°C)
Orbital Period
49.77 days
Discovery Year
2011 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (518 K) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: La Silla Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS