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The Kepler-393 System

2 planets Cygnus

Kepler-393 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,875 light-years from Earth.

Size Comparison: The Planets of Kepler-393

Earth1.00 R⊕b1.29 R⊕c1.33 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-393: Star and Habitable Zone

Kepler-393

Surface temperature
6,189 K (Sun: 5,772 K)
Radius
1.38 R☉
Kepler-393 b Kepler-393 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-393: 1.161–2.708 AU (conservative: 1.470–2.568 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-393 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-393 bSuper Earth9.2 d1.29 R⊕0.292014
Kepler-393 cSuper Earth15 d1.33 R⊕0.292014

Discovery History

The first planet found here, Kepler-393 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-393

How many planets does Kepler-393 have?

Kepler-393 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-393 system habitable?

None of the known planets in Kepler-393 orbit within the star's habitable zone.

How far away is Kepler-393?

Kepler-393 is about 2,875 light-years from Earth in the constellation Cygnus.

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