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The K2-90 System

2 planets Taurus

K2-90 is a planetary system in the constellation Taurus hosting 2 confirmed exoplanets, about 438 light-years from Earth.

Size Comparison: The Planets of K2-90

Earth1.00 R⊕b2.60 R⊕c1.30 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

K2-90: Star and Habitable Zone

K2-90

Surface temperature
4,484 K (Sun: 5,772 K)
Mass
0.63 M☉
Radius
0.62 R☉
K2-90 b K2-90 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-90: 0.298–0.737 AU (conservative: 0.378–0.699 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 K2-90 System

PlanetTypeOrbitRadiusESIDiscovered
K2-90 bMini Neptune14 d2.60 R⊕0.322016
K2-90 cSuper Earth2.9 d1.30 R⊕0.302016

Discovery History

The first planet found here, K2-90 b, was discovered in 2016 using the transit method.

Frequently Asked Questions About K2-90

How many planets does K2-90 have?

K2-90 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the K2-90 system habitable?

None of the known planets in K2-90 orbit within the star's habitable zone.

How far away is K2-90?

K2-90 is about 438 light-years from Earth in the constellation Taurus.

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