CONFIRMED EXOPLANET · Super-Earth

HD 156668 b

Orbits Host Star: HD 156668 (Type K2) · Distance: 79.400 Light-Years (24.332 pc)

Planetary Radius

1.870 R⊕

Planetary Mass

4.150 M⊕

Surface Gravity

1.19 g / g⊕

Equilibrium Temp

887K (+614°C / +1137°F)

Orbital Period

4.646 days

Discovery Year

2010 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (887 K · +614°C / +1137°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: W. M. Keck Observatory.

Other Worlds in the HD 156668 System (1)

HD 156668 c

Gas Giant · 811.3d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

Inspect Raw NASA Archive Record ↗