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The Kepler-32 System

5 planets Cygnus

Kepler-32 is a planetary system in the constellation Cygnus hosting 5 confirmed exoplanets, about 1,056 light-years from Earth.

Size Comparison: The Planets of Kepler-32

Earth1.00 R⊕b2.20 R⊕c2.00 R⊕d2.70 R⊕e1.50 R⊕f0.82 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-32: Star and Habitable Zone

Kepler-32

Surface temperature
3,900 K (Sun: 5,772 K)
Mass
0.58 M☉
Radius
0.53 R☉
Kepler-32 b Kepler-32 c Kepler-32 d Kepler-32 e Kepler-32 f
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-32: 0.196–0.499 AU (conservative: 0.249–0.473 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 5 Planets in the Kepler-32 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-32 bSuper Earth5.9 d2.20 R⊕0.312011
Kepler-32 cSuper Earth8.8 d2.00 R⊕0.442011
Kepler-32 dMini Neptune23 d2.70 R⊕0.522012
Kepler-32 eSuper Earth2.9 d1.50 R⊕0.312012
Kepler-32 fTerrestrial0.7 d0.82 R⊕0.292012

Discovery History

The first planet found here, Kepler-32 b, was discovered in 2011 using the transit method. The most recent addition, Kepler-32 f, followed in 2012.

Frequently Asked Questions About Kepler-32

How many planets does Kepler-32 have?

Kepler-32 has 5 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-32 system habitable?

None of the known planets in Kepler-32 orbit within the star's habitable zone.

How far away is Kepler-32?

Kepler-32 is about 1,056 light-years from Earth in the constellation Cygnus.

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