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The Kepler-120 System

2 planets Lyra

Kepler-120 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 1,268 light-years from Earth.

Size Comparison: The Planets of Kepler-120

Earth1.00 R⊕b2.15 R⊕c1.53 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-120: Star and Habitable Zone

Kepler-120

Surface temperature
4,096 K (Sun: 5,772 K)
Radius
0.53 R☉
Kepler-120 b Kepler-120 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-120: 0.217–0.547 AU (conservative: 0.275–0.519 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.

See the full interactive habitable-zone view in the Exoplanet Explorer app ›

All 2 Planets in the Kepler-120 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-120 bMini Neptune6.3 d2.15 R⊕0.272014
Kepler-120 cSuper Earth13 d1.53 R⊕0.332014

Discovery History

The first planet found here, Kepler-120 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-120

How many planets does Kepler-120 have?

Kepler-120 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-120 system habitable?

None of the known planets in Kepler-120 orbit within the star's habitable zone.

How far away is Kepler-120?

Kepler-120 is about 1,268 light-years from Earth in the constellation Lyra.

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