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The Kepler-194 System

3 planets Cygnus

Kepler-194 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 3,581 light-years from Earth.

Size Comparison: The Planets of Kepler-194

Earth1.00 R⊕b1.51 R⊕c2.59 R⊕d2.40 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-194: Star and Habitable Zone

Kepler-194

Surface temperature
6,089 K (Sun: 5,772 K)
Radius
1.02 R☉
Kepler-194 b Kepler-194 c Kepler-194 d
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-194: 0.838–1.960 AU (conservative: 1.062–1.859 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 3 Planets in the Kepler-194 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-194 bSuper Earth2.1 d1.51 R⊕0.282014
Kepler-194 cMini Neptune17 d2.59 R⊕0.252014
Kepler-194 dMini Neptune53 d2.40 R⊕0.322014

Discovery History

The first planet found here, Kepler-194 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-194

How many planets does Kepler-194 have?

Kepler-194 has 3 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-194 system habitable?

None of the known planets in Kepler-194 orbit within the star's habitable zone.

How far away is Kepler-194?

Kepler-194 is about 3,581 light-years from Earth in the constellation Cygnus.

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