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The K2-368 System

3 planets Aquarius

K2-368 is a planetary system in the constellation Aquarius hosting 3 confirmed exoplanets, about 674 light-years from Earth.

Size Comparison: The Planets of K2-368

Earth1.00 R⊕b1.33 R⊕c1.36 R⊕d1.95 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

K2-368: Star and Habitable Zone

K2-368

Surface temperature
4,663 K (Sun: 5,772 K)
Mass
0.75 M☉
Radius
0.66 R☉
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-368: 0.343–0.842 AU (conservative: 0.435–0.798 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 3 Planets in the K2-368 System

PlanetTypeOrbitRadiusESIDiscovered
K2-368 bSuper Earth5.0 d1.33 R⊕0.302022
K2-368 cSuper Earth9.7 d1.36 R⊕0.332022
K2-368 dSuper Earth20 d1.95 R⊕0.362022

Discovery History

The first planet found here, K2-368 b, was discovered in 2022 using the transit method.

Frequently Asked Questions About K2-368

How many planets does K2-368 have?

K2-368 has 3 confirmed exoplanets. More may await discovery.

Are any planets in the K2-368 system habitable?

None of the known planets in K2-368 orbit within the star's habitable zone.

How far away is K2-368?

K2-368 is about 674 light-years from Earth in the constellation Aquarius.

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