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The Kepler-342 System

4 planets Cygnus

Kepler-342 is a planetary system in the constellation Cygnus hosting 4 confirmed exoplanets, about 2,549 light-years from Earth.

Size Comparison: The Planets of Kepler-342

Earth1.00 R⊕b2.25 R⊕c1.96 R⊕d2.49 R⊕e0.88 R⊕
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Kepler-342: Star and Habitable Zone

Kepler-342

Surface temperature
6,175 K (Sun: 5,772 K)
Radius
1.47 R☉
Kepler-342 b Kepler-342 c Kepler-342 d
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-342: 1.232–2.875 AU (conservative: 1.560–2.726 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-342 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-342 bMini Neptune15 d2.25 R⊕0.252014
Kepler-342 cSuper Earth26 d1.96 R⊕0.272014
Kepler-342 dMini Neptune39 d2.49 R⊕0.262014
Kepler-342 eTerrestrial1.6 d0.88 R⊕0.292016

Discovery History

The first planet found here, Kepler-342 b, was discovered in 2014 using the transit method. The most recent addition, Kepler-342 e, followed in 2016.

Frequently Asked Questions About Kepler-342

How many planets does Kepler-342 have?

Kepler-342 has 4 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-342 system habitable?

None of the known planets in Kepler-342 orbit within the star's habitable zone.

How far away is Kepler-342?

Kepler-342 is about 2,549 light-years from Earth in the constellation Cygnus.

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