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The Kepler-30 System

3 planets Lyra

Kepler-30 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 2,982 light-years from Earth.

Size Comparison: The Planets of Kepler-30

Earth1.00 R⊕b3.90 R⊕c12.30 R⊕d8.80 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-30: Star and Habitable Zone

Kepler-30

Surface temperature
5,498 K (Sun: 5,772 K)
Mass
0.99 M☉
Radius
0.95 R☉
Age
2.0 billion years (Sun: 4.6)
Kepler-30 b Kepler-30 c Kepler-30 d
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-30: 0.656–1.559 AU (conservative: 0.831–1.478 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 3 Planets in the Kepler-30 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-30 bPuffy Planet29 d3.90 R⊕0.242012
Kepler-30 cCold Gas Giant60 d12.30 R⊕0.212012
Kepler-30 dCold Gas Giant143 d8.80 R⊕0.372012

Discovery History

The first planet found here, Kepler-30 b, was discovered in 2012 using the transit method.

Frequently Asked Questions About Kepler-30

How many planets does Kepler-30 have?

Kepler-30 has 3 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-30 system habitable?

None of the known planets in Kepler-30 orbit within the star's habitable zone.

How far away is Kepler-30?

Kepler-30 is about 2,982 light-years from Earth in the constellation Lyra.

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