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The Kepler-864 System

2 planets Lyra

Kepler-864 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 6,598 light-years from Earth.

Size Comparison: The Planets of Kepler-864

Earth1.00 R⊕b2.40 R⊕c1.62 R⊕
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Kepler-864: Star and Habitable Zone

Kepler-864

Surface temperature
5,754 K (Sun: 5,772 K)
Mass
1.00 M☉
Radius
1.00 R☉
Age
4.7 billion years (Sun: 4.6)
Kepler-864 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-864: 0.745–1.757 AU (conservative: 0.944–1.666 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-864 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-864 bMini Neptune5.8 d2.40 R⊕0.242016
Kepler-864 cLava World2.4 d1.62 R⊕0.272023

Discovery History

The first planet found here, Kepler-864 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-864 c, followed in 2023.

Frequently Asked Questions About Kepler-864

How many planets does Kepler-864 have?

Kepler-864 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-864 system habitable?

None of the known planets in Kepler-864 orbit within the star's habitable zone.

How far away is Kepler-864?

Kepler-864 is about 6,598 light-years from Earth in the constellation Lyra.

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