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The Kepler-263 System

2 planets Cygnus

Kepler-263 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,462 light-years from Earth.

Size Comparison: The Planets of Kepler-263

Earth1.00 R⊕b2.67 R⊕c2.47 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-263: Star and Habitable Zone

Kepler-263

Surface temperature
5,265 K (Sun: 5,772 K)
Radius
0.79 R☉
Kepler-263 b Kepler-263 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-263: 0.504–1.206 AU (conservative: 0.638–1.143 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-263 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-263 bMini Neptune17 d2.67 R⊕0.272014
Kepler-263 cMini Neptune47 d2.47 R⊕0.412014

Discovery History

The first planet found here, Kepler-263 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-263

How many planets does Kepler-263 have?

Kepler-263 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-263 system habitable?

None of the known planets in Kepler-263 orbit within the star's habitable zone.

How far away is Kepler-263?

Kepler-263 is about 2,462 light-years from Earth in the constellation Cygnus.

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