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The Kepler-26 System

4 planets Lyra

Kepler-26 is a planetary system in the constellation Lyra hosting 4 confirmed exoplanets, about 1,094 light-years from Earth.

Size Comparison: The Planets of Kepler-26

Earth1.00 R⊕b2.78 R⊕c2.72 R⊕d1.07 R⊕e2.41 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-26: Star and Habitable Zone

Kepler-26

Surface temperature
4,486 K (Sun: 5,772 K)
Radius
0.57 R☉
Kepler-26 d Kepler-26 e
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-26: 0.275–0.681 AU (conservative: 0.349–0.645 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-26 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-26 bPuffy Planet12 d2.78 R⊕0.322011
Kepler-26 cMini Neptune17 d2.72 R⊕0.372011
Kepler-26 dTerrestrial3.5 d1.07 R⊕0.322014
Kepler-26 eMini Neptune47 d2.41 R⊕0.642014

Discovery History

The first planet found here, Kepler-26 b, was discovered in 2011 using the transit method. The most recent addition, Kepler-26 e, followed in 2014.

Frequently Asked Questions About Kepler-26

How many planets does Kepler-26 have?

Kepler-26 has 4 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-26 system habitable?

None of the known planets in Kepler-26 orbit within the star's habitable zone.

How far away is Kepler-26?

Kepler-26 is about 1,094 light-years from Earth in the constellation Lyra.

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