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The Kepler-299 System

4 planets Draco

Kepler-299 is a planetary system in the constellation Draco hosting 4 confirmed exoplanets, about 3,432 light-years from Earth.

Size Comparison: The Planets of Kepler-299

Earth1.00 R⊕b1.32 R⊕c2.65 R⊕d1.86 R⊕e1.87 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Kepler-299: Star and Habitable Zone

Kepler-299

Surface temperature
5,617 K (Sun: 5,772 K)
Radius
1.03 R☉
Kepler-299 b Kepler-299 c Kepler-299 d Kepler-299 e
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of Kepler-299: 0.739–1.749 AU (conservative: 0.936–1.658 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 4 Planets in the Kepler-299 System

PlanetTypeOrbitRadiusESIDiscovered
Kepler-299 bSuper Earth2.9 d1.32 R⊕0.292014
Kepler-299 cMini Neptune6.9 d2.65 R⊕0.232014
Kepler-299 dSuper Earth15 d1.86 R⊕0.282014
Kepler-299 eSuper Earth38 d1.87 R⊕0.332014

Discovery History

The first planet found here, Kepler-299 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About Kepler-299

How many planets does Kepler-299 have?

Kepler-299 has 4 confirmed exoplanets. More may await discovery.

Are any planets in the Kepler-299 system habitable?

None of the known planets in Kepler-299 orbit within the star's habitable zone.

How far away is Kepler-299?

Kepler-299 is about 3,432 light-years from Earth in the constellation Draco.

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