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The K2-290 System

2 planets 3 stars Libra

K2-290 is a planetary system in the constellation Libra hosting 2 confirmed exoplanets around 3 stars, about 890 light-years from Earth.

Size Comparison: The Planets of K2-290

Earth1.00 R⊕b3.06 R⊕c11.28 R⊕
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Star K2-290 and Its Habitable Zone

K2-290

Surface temperature
6,302 K (Sun: 5,772 K)
Mass
1.19 M☉
Radius
1.51 R☉
Age
4.0 billion years (Sun: 4.6)
K2-290 b K2-290 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-290: 1.307–3.043 AU (conservative: 1.655–2.885 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 K2-290 System

PlanetTypeOrbitRadiusESIDiscovered
K2-290 bSuper Earth9.2 d3.06 R⊕0.212019
K2-290 cCold Gas Giant48 d11.28 R⊕0.112019

Discovery History

The first planet found here, K2-290 b, was discovered in 2019 using the transit method.

Frequently Asked Questions About K2-290

How many planets does K2-290 have?

K2-290 has 2 confirmed exoplanets distributed around its 3 stars. More may await discovery.

Are any planets in the K2-290 system habitable?

None of the known planets in K2-290 orbit within the star's habitable zone.

How far away is K2-290?

K2-290 is about 890 light-years from Earth in the constellation Libra.

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