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The Kepler-106 System

4 planets Cygnus

Kepler-106 is a planetary system in the constellation Cygnus hosting 4 confirmed exoplanets, about 1,449 light-years from Earth.

Size Comparison: The Planets of Kepler-106

Earth1.00 R⊕b0.82 R⊕c2.50 R⊕d0.95 R⊕e2.56 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-106: Star and Habitable Zone

Kepler-106

Surface temperature
5,858 K (Sun: 5,772 K)
Mass
1.00 M☉
Radius
1.04 R☉
Age
4.8 billion years (Sun: 4.6)
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-106: 0.798–1.877 AU (conservative: 1.011–1.780 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 4 Planets in the Kepler-106 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-106 bTerrestrial6.2 d0.82 R⊕0.292014
Kepler-106 cSuper Earth14 d2.50 R⊕0.242014
Kepler-106 dTerrestrial24 d0.95 R⊕0.322014
Kepler-106 eSuper Earth44 d2.56 R⊕0.292014

Discovery History

The first planet found here, Kepler-106 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-106

How many planets does Kepler-106 have?

Kepler-106 has 4 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-106 system habitable?

None of the known planets in Kepler-106 orbit within the star's habitable zone.

How far away is Kepler-106?

Kepler-106 is about 1,449 light-years from Earth in the constellation Cygnus.

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