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The HD 18143 System

2 planets Aries

HD 18143 is a planetary system in the constellation Aries hosting 2 confirmed exoplanets, about 74 light-years from Earth.

HD 18143: Star and Habitable Zone

HD 18143

Mass
0.85 M☉

All 2 Planets in the HD 18143 System

PlanetTypeOrbitRadiusESIDiscovered
HD 18143 bNeptune-like10 d0.222022
HD 18143 cCold Gas Giant28,982 d0.072022

Discovery History

The first planet found here, HD 18143 b, was discovered in 2022 using the radial velocity method.

Frequently Asked Questions About HD 18143

How many planets does HD 18143 have?

HD 18143 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the HD 18143 system habitable?

None of the known planets in HD 18143 orbit within the star's habitable zone.

How far away is HD 18143?

HD 18143 is about 74 light-years from Earth in the constellation Aries.

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