HD 113538

Planetary system · 53.1 light-years away · also HD 113538, HIP 63833

HD 113538 is 53.1 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this K9 V star; the first was found in 2010 by radial velocity (La Silla Observatory).

Fly there in 3D

Worth knowing

HD 113538 c takes 5.0 years to go round its star once.

The star

Spectral typeK9 V
Surface temperature4,462 K
Mass0.585 solar masses
Radius0.53 solar radii
Luminosity0.09 times the Sun
Apparent magnitude9.05
Ageabout 4.3 billion years
Distance from the Sun53.1 light-years (16.3 parsecs)
Position (J2000)RA 196.2339°, Dec -52.4464°
ConstellationCentaurus

Planets (2)

PlanetYearOrbitRadiusMassFound
HD 113538 b663.2 days1.240 AU13.2 R⊕ estimated114.41 M⊕ minimumRadial Velocity, 2010
HD 113538 c5.0 years2.440 AU13.8 R⊕ estimated295.57 M⊕ minimumRadial Velocity, 2010

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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