CONFIRMED EXOPLANET · Sub-Neptune

HD 109271 c

Orbits Host Star: HD 109271 (Type G5 V) · Distance: 182.200 Light-Years (55.872 pc)

Planetary Radius

5.270 R⊕

Planetary Mass

24.154 M⊕

Surface Gravity

0.87 g / g⊕

Equilibrium Temp

717K (+444°C / +831°F)

Orbital Period

30.93 days

Discovery Year

2013 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (717 K · +444°C / +831°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: La Silla Observatory.

Other Worlds in the HD 109271 System (1)

HD 109271 b

Sub-Neptune · 7.9d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

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