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The Kepler-406 System

2 planets Cygnus

Kepler-406 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,187 light-years from Earth.

Size Comparison: The Planets of Kepler-406

Earth1.00 R⊕b1.43 R⊕c0.85 R⊕
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Kepler-406: Star and Habitable Zone

Kepler-406

Surface temperature
5,538 K (Sun: 5,772 K)
Mass
1.07 M☉
Radius
1.07 R☉
Age
5.8 billion years (Sun: 4.6)
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-406: 0.748–1.775 AU (conservative: 0.948–1.683 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-406 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-406 bSuper Earth2.4 d1.43 R⊕0.282014
Kepler-406 cTerrestrial4.6 d0.85 R⊕0.292014

Discovery History

The first planet found here, Kepler-406 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-406

How many planets does Kepler-406 have?

Kepler-406 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-406 system habitable?

None of the known planets in Kepler-406 orbit within the star's habitable zone.

How far away is Kepler-406?

Kepler-406 is about 1,187 light-years from Earth in the constellation Cygnus.

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