HD 218566 b
Orbiting HD 218566
HD 218566 b is an exoplanet orbiting the star HD 218566, discovered in 2010 using the Radial Velocity method.
Minimum Mass (M sin i)
63.57
Earth masses
Orbital Period
225.7
days
Distance
28.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
63.57
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
225.700+0.400−0.400days
Semi-Major Axis
0.6900+0.0100−0.0100au
M sin(i) (Earth masses)
63.57+19.07−19.07
M sin(i) (Jupiter masses)
0.2000+0.0600−0.0600
Eccentricity
0.3000+0.1000−0.1000
Radial Velocity Semi-Amplitude
8.30+0.70−0.70m/s
Distance from Earth
28.8 pc (~94 ly)
Spectral Type
Unknown
Temperature
4730 K
Mass (Solar)
0.76 M☉
Radius (Solar)
0.85 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
347.2974°, -2.2612°
Discovery Method
Radial Velocity
Discovery Year
2010
Source ID: HD 218566 b
HD 218566 b orbits HD 218566 and was reported in 2010 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 63.57 Earth masses (M sin i) and an orbital period of 225.7 days.
Catalog data places the system at about 28.8 parsecs from Earth 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 218566