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The Kepler-307 System

2 planets Cygnus

Kepler-307 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,877 light-years from Earth.

Size Comparison: The Planets of Kepler-307

Earth1.00 R⊕b2.43 R⊕c2.20 R⊕
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Kepler-307: Star and Habitable Zone

Kepler-307

Surface temperature
5,367 K (Sun: 5,772 K)
Mass
0.91 M☉
Radius
0.81 R☉
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-307: 0.540–1.288 AU (conservative: 0.684–1.221 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-307 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-307 bMini Neptune10 d2.43 R⊕0.252013
Kepler-307 cMini Neptune13 d2.20 R⊕0.262013

Discovery History

The first planet found here, Kepler-307 b, was discovered in 2013 using the transit method.

Frequently Asked Questions About Kepler-307

How many planets does Kepler-307 have?

Kepler-307 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-307 system habitable?

None of the known planets in Kepler-307 orbit within the star's habitable zone.

How far away is Kepler-307?

Kepler-307 is about 1,877 light-years from Earth in the constellation Cygnus.

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