HD 164604 b
Orbiting HD 164604
HD 164604 b is an exoplanet orbiting the star HD 164604, discovered in 2009 using the Radial Velocity method.
Mass
4195.33
Earth masses
Orbital Period
653.9
days
Distance
39.4
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
4195.33
Measured
Equilibrium Temperature
Unknown
Parameter source: Xiao et al. 2026
Orbital Period
653.900+1.500−1.700days
Semi-Major Axis
1.3620+0.0120−0.0120au
Planet Mass (Earth masses)
4195.33+572.09−476.74
Planet Mass (Jupiter masses)
13.2000+1.8000−1.5000
Eccentricity
0.4790+0.0270−0.0210
Epoch of Periastron
2453831.30+7.10−6.60days(JD)
Argument of Periastron
64.6+1.7−2.0deg
Radial Velocity Semi-Amplitude
76.20+2.30−1.80m/s
Distance from Earth
39.4 pc (~128 ly)
Spectral Type
K3.5 V
Temperature
4663 K
Mass (Solar)
0.77 M☉
Radius (Solar)
0.78 R☉
Luminosity
-0.59 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
270.7787°, -28.5608°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 164604 b
HD 164604 b orbits HD 164604 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a mass of 4,195.33 Earth masses and an orbital period of 653.9 days.
Catalog data places the system at about 39.4 parsecs from Earth, a host star classified as K3.5 V, 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 164604More planets in this system