HD 90156 b
Orbiting HD 90156
HD 90156 b is an exoplanet orbiting the star HD 90156, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
17.98
Earth masses
Orbital Period
49.8
days
Distance
21.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
17.98
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Mordasini et al. 2011
Orbital Period
49.770+0.070−0.070days
Semi-Major Axis
0.2500+0.0040−0.0040au
M sin(i) (Earth masses)
17.98+1.46−1.46
M sin(i) (Jupiter masses)
0.0570+0.0050−0.0050
Eccentricity
0.3100+0.1000−0.1000
Argument of Periastron
113.0+18.0−18.0deg
Radial Velocity Semi-Amplitude
3.69+0.25−0.25m/s
Distance from Earth
21.9 pc (~72 ly)
Spectral Type
Unknown
Temperature
5599 K
Mass (Solar)
0.84 M☉
Radius (Solar)
Unknown
Luminosity
-0.14 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
155.9801°, -29.6451°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HD 90156 b
HD 90156 b orbits HD 90156 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 17.98 Earth masses (M sin i) and an orbital period of 49.77 days.
Catalog data places the system at about 21.9 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 90156