HD 156668 b
Orbiting HD 156668
HD 156668 b is an exoplanet orbiting the star HD 156668, discovered in 2010 using the Radial Velocity method.
Minimum Mass (M sin i)
4.15
Earth masses
Orbital Period
4.6
days
Distance
24.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
4.15
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Howard et al. 2011
Orbital Period
4.646+0.001−0.001days
Semi-Major Axis
0.0500+0.0007−0.0007au
M sin(i) (Earth masses)
4.15+0.58−0.58
M sin(i) (Jupiter masses)
0.0130+0.0020−0.0020
Eccentricity
0.0000
Epoch of Periastron
2454718.57+0.11−0.11days
Radial Velocity Semi-Amplitude
1.89+0.26−0.26m/s
Distance from Earth
24.3 pc (~79 ly)
Spectral Type
Unknown
Temperature
4850 K
Mass (Solar)
0.77 M☉
Radius (Solar)
0.72 R☉
Luminosity
0.23 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
259.4183°, 29.2282°
Discovery Method
Radial Velocity
Discovery Year
2010
Source ID: HD 156668 b
HD 156668 b orbits HD 156668 and was reported in 2010 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 4.15 Earth masses (M sin i) and an orbital period of 4.65 days.
Catalog data places the system at about 24.3 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 156668More planets in this system