HD 155358 c

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HD 155358 c
Exoplanet List of exoplanets
Parent star
Star HD 155358
Constellation Hercules
Right ascension (α) 17h 09m 34.6168s
Declination (δ) +33° 21′ 21.078″
Distance 142±4 ly
(43±1 pc)
Spectral type G0
Mass (m) 0.89 M
Temperature (T) 5868 K
Metallicity [Fe/H] -0.68
Age 11.9 Gyr
Orbital elements
Semi-major axis (a) 1.224±0.081 AU
Eccentricity (e) 0.176±0.174
Orbital period (P) 530.3±27.2 d
Argument of
(ω) 279±38°
Time of periastron (T0) 2,454,420.3
±79.3 JD
Semi-amplitude (K) 14.1±1.6 m/s
Physical characteristics
Minimum mass (m sin i) 0.504 MJ
Discovery information
Discovery date May 10, 2007
Discoverer(s) Cochran et al.
Discovery method Radial velocity
Discovery site University of Texas
Discovery status Published

HD 155358 c is an extrasolar planet orbiting the star HD 155358 located 142 light years away in the constellation Hercules. This is a gas giant which orbits at 1.224 AU and takes 530.3 days to orbit HD 155358. This planet orbits in an eccentric orbit. This planet has at least half the mass of Jupiter.

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Coordinates: Sky map 17h 09m 34.6168s, +33° 21′ 21.078″