HD 8574 b
Orbiting HD 8574
HD 8574 b is an exoplanet orbiting the star HD 8574, discovered in 2002 using the Radial Velocity method.
Minimum Mass (M sin i)
645.19
Earth masses
Orbital Period
227.0
days
Distance
44.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
645.19
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
227.000+0.200−0.200days
Semi-Major Axis
0.7600+0.0100−0.0100au
M sin(i) (Earth masses)
645.19+44.50−44.50
M sin(i) (Jupiter masses)
2.0300+0.1400−0.1400
Eccentricity
0.3000+0.0300−0.0300
Radial Velocity Semi-Amplitude
58.30+1.80−1.80m/s
Distance from Earth
44.8 pc (~146 ly)
Spectral Type
Unknown
Temperature
6064 K
Mass (Solar)
1.34 M☉
Radius (Solar)
1.38 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
21.3034°, 28.5660°
Discovery Method
Radial Velocity
Discovery Year
2002
Source ID: HD 8574 b
HD 8574 b orbits HD 8574 and was reported in 2002 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 645.19 Earth masses (M sin i) and an orbital period of 227 days.
Catalog data places the system at about 44.8 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 8574