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The Kepler-1491 System

2 planets Cygnus

Kepler-1491 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 6,737 light-years from Earth.

Size Comparison: The Planets of Kepler-1491

Earth1.00 R⊕b1.51 R⊕c2.44 R⊕
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Kepler-1491: Star and Habitable Zone

Kepler-1491

Surface temperature
5,728 K (Sun: 5,772 K)
Mass
1.00 M☉
Radius
0.99 R☉
Age
4.6 billion years (Sun: 4.6)
Kepler-1491 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-1491: 0.732–1.728 AU (conservative: 0.928–1.638 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-1491 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-1491 bSuper Earth17 d1.51 R⊕0.292016
Kepler-1491 cMini Neptune62 d2.44 R⊕0.282023

Discovery History

The first planet found here, Kepler-1491 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-1491 c, followed in 2023.

Frequently Asked Questions About Kepler-1491

How many planets does Kepler-1491 have?

Kepler-1491 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-1491 system habitable?

None of the known planets in Kepler-1491 orbit within the star's habitable zone.

How far away is Kepler-1491?

Kepler-1491 is about 6,737 light-years from Earth in the constellation Cygnus.

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