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The Kepler-205 System

2 planets Lyra

Kepler-205 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 521 light-years from Earth.

Size Comparison: The Planets of Kepler-205

Earth1.00 R⊕b1.51 R⊕c1.64 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-205: Star and Habitable Zone

Kepler-205

Surface temperature
4,321 K (Sun: 5,772 K)
Radius
0.55 R☉
Kepler-205 b Kepler-205 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-205: 0.246–0.612 AU (conservative: 0.311–0.580 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-205 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-205 bSuper Earth2.8 d1.51 R⊕0.292014
Kepler-205 cSuper Earth20 d1.64 R⊕0.432014

Discovery History

The first planet found here, Kepler-205 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-205

How many planets does Kepler-205 have?

Kepler-205 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-205 system habitable?

None of the known planets in Kepler-205 orbit within the star's habitable zone.

How far away is Kepler-205?

Kepler-205 is about 521 light-years from Earth in the constellation Lyra.

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