CONFIRMED EXOPLANET · Sub-Neptune

HD 20003 b

Orbits Host Star: HD 20003 (Type G8 V) · Distance: 136.400 Light-Years (41.832 pc)

Planetary Radius

3.430 R⊕

Planetary Mass

11.660 M⊕

Surface Gravity

0.99 g / g⊕

Equilibrium Temp

815K (+542°C / +1008°F)

Orbital Period

11.848 days

Discovery Year

2019 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (815 K · +542°C / +1008°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: La Silla Observatory.

Other Worlds in the HD 20003 System (1)

HD 20003 c

Sub-Neptune · 33.9d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

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