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The K2-158 System

2 planets Virgo

K2-158 is a planetary system in the constellation Virgo hosting 2 confirmed exoplanets, about 644 light-years from Earth.

Size Comparison: The Planets of K2-158

Earth1.00 R⊕b2.64 R⊕c1.28 R⊕
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K2-158: Star and Habitable Zone

K2-158

Surface temperature
5,503 K (Sun: 5,772 K)
Mass
0.92 M☉
Radius
0.95 R☉
K2-158 b K2-158 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-158: 0.657–1.561 AU (conservative: 0.832–1.480 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 K2-158 System

PlanetTypeOrbitRadiusESIDiscovered
K2-158 bMini Neptune10 d2.64 R⊕0.242018
K2-158 cSuper Earth5.9 d1.28 R⊕0.302018

Discovery History

The first planet found here, K2-158 b, was discovered in 2018 using the transit method.

Frequently Asked Questions About K2-158

How many planets does K2-158 have?

K2-158 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the K2-158 system habitable?

None of the known planets in K2-158 orbit within the star's habitable zone.

How far away is K2-158?

K2-158 is about 644 light-years from Earth in the constellation Virgo.

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