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The Kepler-52 System

3 planets Draco

Kepler-52 is a planetary system in the constellation Draco hosting 3 confirmed exoplanets, about 1,049 light-years from Earth.

Size Comparison: The Planets of Kepler-52

Earth1.00 R⊕b2.10 R⊕c1.84 R⊕d1.95 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-52: Star and Habitable Zone

Kepler-52

Surface temperature
4,075 K (Sun: 5,772 K)
Mass
0.54 M☉
Radius
0.52 R☉
Kepler-52 d
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-52: 0.209–0.528 AU (conservative: 0.265–0.501 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-52 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-52 bSuper Earth7.9 d2.10 R⊕0.302012
Kepler-52 cSuper Earth16 d1.84 R⊕0.392012
Kepler-52 dSuper Earth36 d1.95 R⊕0.582014

Discovery History

The first planet found here, Kepler-52 b, was discovered in 2012 using the transit method. The most recent addition, Kepler-52 d, followed in 2014.

Frequently Asked Questions About Kepler-52

How many planets does Kepler-52 have?

Kepler-52 has 3 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-52 system habitable?

None of the known planets in Kepler-52 orbit within the star's habitable zone.

How far away is Kepler-52?

Kepler-52 is about 1,049 light-years from Earth in the constellation Draco.

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