HD 9174 b
Orbiting HD 9174
HD 9174 b is an exoplanet orbiting the star HD 9174, discovered in 2016 using the Radial Velocity method.
Minimum Mass (M sin i)
352.79
Earth masses
Orbital Period
1179.0
days
Distance
81.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
352.79
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Jenkins et al. 2017
Orbital Period
1179.000+34.000−34.000days
Semi-Major Axis
2.2000+0.0900−0.0900au
M sin(i) (Earth masses)
352.79+44.50−44.50
M sin(i) (Jupiter masses)
1.1100+0.1400−0.1400
Eccentricity
0.1200+0.0500−0.0500
Argument of Periastron
102.0+37.8−37.8deg
Radial Velocity Semi-Amplitude
20.80+2.20−2.20m/s
Distance from Earth
81.5 pc (~266 ly)
Spectral Type
G8 IV
Temperature
5577 K
Mass (Solar)
1.03 M☉
Radius (Solar)
1.67 R☉
Luminosity
0.38 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
22.5043°, -19.6053°
Discovery Method
Radial Velocity
Discovery Year
2016
Source ID: HD 9174 b
HD 9174 b orbits HD 9174 and was reported in 2016 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 352.79 Earth masses (M sin i) and an orbital period of 1,179 days.
Catalog data places the system at about 81.5 parsecs from Earth, a host star classified as G8 IV, 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 9174