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The Kepler-656 System

2 planets Lyra

Kepler-656 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,904 light-years from Earth.

Size Comparison: The Planets of Kepler-656

Earth1.00 R⊕b3.12 R⊕c1.41 R⊕
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Kepler-656: Star and Habitable Zone

Kepler-656

Surface temperature
5,550 K (Sun: 5,772 K)
Mass
1.05 M☉
Radius
0.95 R☉
Kepler-656 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-656: 0.670–1.588 AU (conservative: 0.848–1.505 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-656 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-656 bSub Neptune1.3 d3.12 R⊕0.212016
Kepler-656 cSuper Earth5.3 d1.41 R⊕0.292023

Discovery History

The first planet found here, Kepler-656 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-656 c, followed in 2023.

Frequently Asked Questions About Kepler-656

How many planets does Kepler-656 have?

Kepler-656 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-656 system habitable?

None of the known planets in Kepler-656 orbit within the star's habitable zone.

How far away is Kepler-656?

Kepler-656 is about 2,904 light-years from Earth in the constellation Lyra.

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