CONFIRMED EXOPLANET · Sub-Neptune

Kepler-209 b

Orbits Host Star: Kepler-209 · Distance: 1881.700 Light-Years (576.946 pc)

Planetary Radius

2.260 R⊕

Planetary Mass

5.730 M⊕

Surface Gravity

1.12 g / g⊕

Equilibrium Temp

668K (+395°C / +743°F)

Orbital Period

16.088 days

Discovery Year

2014 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (668 K · +395°C / +743°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Kepler.

Other Worlds in the Kepler-209 System (1)

Kepler-209 c

Sub-Neptune · 41.7d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

Inspect Raw NASA Archive Record ↗