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The Kepler-53 System

3 planets Lyra

Kepler-53 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 4,456 light-years from Earth.

Size Comparison: The Planets of Kepler-53

Earth1.00 R⊕b2.89 R⊕c3.17 R⊕d2.12 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-53: Star and Habitable Zone

Kepler-53

Surface temperature
6,085 K (Sun: 5,772 K)
Radius
0.96 R☉
Kepler-53 d
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-53: 0.783–1.830 AU (conservative: 0.991–1.735 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-53 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-53 bSuper Earth19 d2.89 R⊕0.242012
Kepler-53 cSuper Earth39 d3.17 R⊕0.262012
Kepler-53 dMini Neptune9.8 d2.12 R⊕0.262014

Discovery History

The first planet found here, Kepler-53 b, was discovered in 2012 using the transit method. The most recent addition, Kepler-53 d, followed in 2014.

Frequently Asked Questions About Kepler-53

How many planets does Kepler-53 have?

Kepler-53 has 3 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-53 system habitable?

None of the known planets in Kepler-53 orbit within the star's habitable zone.

How far away is Kepler-53?

Kepler-53 is about 4,456 light-years from Earth in the constellation Lyra.

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