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The K2-37 System

3 planets Scorpius

K2-37 is a planetary system in the constellation Scorpius hosting 3 confirmed exoplanets, about 587 light-years from Earth.

Size Comparison: The Planets of K2-37

Earth1.00 R⊕b1.39 R⊕c2.41 R⊕d2.31 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

K2-37: Star and Habitable Zone

K2-37

Surface temperature
5,352 K (Sun: 5,772 K)
Mass
0.84 M☉
Radius
0.81 R☉
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-37: 0.534–1.274 AU (conservative: 0.676–1.208 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 K2-37 System

PlanetTypeOrbitRadiusESIDiscovered
K2-37 bSuper Earth4.4 d1.39 R⊕0.282016
K2-37 cMini Neptune6.4 d2.41 R⊕0.232016
K2-37 dSuper Earth14 d2.31 R⊕0.262016

Discovery History

The first planet found here, K2-37 b, was discovered in 2016 using the transit method.

Frequently Asked Questions About K2-37

How many planets does K2-37 have?

K2-37 has 3 confirmed exoplanets. More may await discovery.

Are any planets in the K2-37 system habitable?

None of the known planets in K2-37 orbit within the star's habitable zone.

How far away is K2-37?

K2-37 is about 587 light-years from Earth in the constellation Scorpius.

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