HD 113538 b

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HD 113538 b
Exoplanet List of exoplanets
Parent star
Star HD 113538
Constellation Centaurus
Right ascension (α) 13h 02m 04.34s[1]
Declination (δ) −52° 09′ 50.5″[1]
Spectral type K9V
Temperature (T) 4685 K
Orbital elements
Semi-major axis (a) 0.71±0.01 AU
Eccentricity (e) 0.61 ± 0.11
Orbital period (P) 263.3 ± 2.3 d
Physical characteristics
Minimum mass (m sin i) 0.27 MJ
Discovery information
Discovery date 2010
Discovery method Radial velocity
Discovery status Published

HD 113538 b is an exoplanet approximately 51 light years away from earth in the constellation Centaurus. It orbits its star(HD 113538) once every 263.3 days, placing it in the outer edge of the habitable zone. However it is most likely a gas giant with no solid surface.


  1. ^ a b van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.