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The Kepler-302 System

2 planets Cygnus

Kepler-302 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 4,575 light-years from Earth.

Size Comparison: The Planets of Kepler-302

Earth1.00 R⊕b4.06 R⊕c12.45 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-302: Star and Habitable Zone

Kepler-302

Surface temperature
5,740 K (Sun: 5,772 K)
Radius
1.22 R☉
Kepler-302 b Kepler-302 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-302: 0.906–2.136 AU (conservative: 1.147–2.025 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-302 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-302 bNeptune-like30 d4.06 R⊕0.212014
Kepler-302 cCold Gas Giant127 d12.45 R⊕0.252014

Discovery History

The first planet found here, Kepler-302 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-302

How many planets does Kepler-302 have?

Kepler-302 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-302 system habitable?

None of the known planets in Kepler-302 orbit within the star's habitable zone.

How far away is Kepler-302?

Kepler-302 is about 4,575 light-years from Earth in the constellation Cygnus.

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