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The K2-199 System

2 planets Virgo

K2-199 is a planetary system in the constellation Virgo hosting 2 confirmed exoplanets, about 351 light-years from Earth.

Size Comparison: The Planets of K2-199

Earth1.00 R⊕b1.73 R⊕c2.85 R⊕
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K2-199: Star and Habitable Zone

K2-199

Surface temperature
4,491 K (Sun: 5,772 K)
Mass
0.71 M☉
Radius
0.68 R☉
Luminosity
0.1850 L☉
Age
5.0 billion years (Sun: 4.6)
K2-199 b K2-199 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-199: 0.344–0.850 AU (conservative: 0.436–0.806 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 K2-199 System

PlanetTypeOrbitRadiusESIDiscovered
K2-199 bSuper Earth3.2 d1.73 R⊕0.282018
K2-199 cMini Neptune7.4 d2.85 R⊕0.242018

Discovery History

The first planet found here, K2-199 b, was discovered in 2018 using the transit method.

Frequently Asked Questions About K2-199

How many planets does K2-199 have?

K2-199 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the K2-199 system habitable?

None of the known planets in K2-199 orbit within the star's habitable zone.

How far away is K2-199?

K2-199 is about 351 light-years from Earth in the constellation Virgo.

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