HD 164509 b
Orbiting HD 164509
HD 164509 b is an exoplanet orbiting the star HD 164509, discovered in 2012 using the Radial Velocity method.
Minimum Mass (M sin i)
140.80
Earth masses
Orbital Period
280.2
days
Distance
53.1
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
140.80
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Ment et al. 2018
Orbital Period
280.170+0.820−0.820days
Semi-Major Axis
0.8700+0.0510−0.0510au
M sin(i) (Earth masses)
140.80+26.38−26.38
M sin(i) (Jupiter masses)
0.4430+0.0830−0.0830
Eccentricity
0.2380+0.0620−0.0620
Epoch of Periastron
2463741.00+11.00−11.00days(JD)
Argument of Periastron
326.0+13.0−13.0deg
Radial Velocity Semi-Amplitude
13.15+0.77−0.77m/s
Distance from Earth
53.1 pc (~173 ly)
Spectral Type
G5
Temperature
5859 K
Mass (Solar)
1.12 M☉
Radius (Solar)
1.11 R☉
Luminosity
0.12 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
270.3801°, 0.1045°
Discovery Method
Radial Velocity
Discovery Year
2012
Source ID: HD 164509 b
HD 164509 b orbits HD 164509 and was reported in 2012 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 140.8 Earth masses (M sin i) and an orbital period of 280.17 days.
Catalog data places the system at about 53.1 parsecs from Earth, a host star classified as G5, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 164509