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The HD 15337 System

2 planets Fornax

HD 15337 is a planetary system in the constellation Fornax hosting 2 confirmed exoplanets, about 146 light-years from Earth.

Size Comparison: The Planets of HD 15337

Earth1.00 R⊕b1.77 R⊕c2.53 R⊕
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HD 15337: Star and Habitable Zone

HD 15337

Surface temperature
5,131 K (Sun: 5,772 K)
Mass
0.83 M☉
Radius
0.86 R☉
Age
9.6 billion years (Sun: 4.6)
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of HD 15337: 0.525–1.262 AU (conservative: 0.665–1.197 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.

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All 2 Planets in the HD 15337 System

PlanetTypeOrbitRadiusESIDiscovered
HD 15337 bSuper Earth4.8 d1.77 R⊕0.282019
HD 15337 cMini Neptune17 d2.53 R⊕0.282019

Discovery History

The first planet found here, HD 15337 b, was discovered in 2019 using the transit method.

Frequently Asked Questions About HD 15337

How many planets does HD 15337 have?

HD 15337 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the HD 15337 system habitable?

None of the known planets in HD 15337 orbit within the star's habitable zone.

How far away is HD 15337?

HD 15337 is about 146 light-years from Earth in the constellation Fornax.

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