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The Kepler-1266 System

2 planets Lyra

Kepler-1266 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,770 light-years from Earth.

Size Comparison: The Planets of Kepler-1266

Earth1.00 R⊕b2.58 R⊕c1.68 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-1266: Star and Habitable Zone

Kepler-1266

Surface temperature
5,044 K (Sun: 5,772 K)
Mass
0.80 M☉
Radius
0.76 R☉
Age
5.1 billion years (Sun: 4.6)
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-1266: 0.453–1.093 AU (conservative: 0.573–1.036 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-1266 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-1266 bMini Neptune28 d2.58 R⊕0.342016
Kepler-1266 cSuper Earth4.9 d1.68 R⊕0.282021

Discovery History

The first planet found here, Kepler-1266 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-1266 c, followed in 2021.

Frequently Asked Questions About Kepler-1266

How many planets does Kepler-1266 have?

Kepler-1266 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-1266 system habitable?

None of the known planets in Kepler-1266 orbit within the star's habitable zone.

How far away is Kepler-1266?

Kepler-1266 is about 2,770 light-years from Earth in the constellation Lyra.

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