HD 188015 b
Orbiting HD 188015
HD 188015 b is an exoplanet orbiting the star HD 188015, discovered in 2004 using the Radial Velocity method.
Minimum Mass (M sin i)
476.72
Earth masses
Orbital Period
461.2
days
Distance
50.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
476.72
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Butler et al. 2006
Orbital Period
461.200+1.700−1.700days
Semi-Major Axis
1.2030+0.0700−0.0700au
M sin(i) (Earth masses)
476.72+41.32−41.32
M sin(i) (Jupiter masses)
1.5000+0.1300−0.1300
Eccentricity
0.1370+0.0260−0.0260
Epoch of Periastron
2451787.00+17.00−17.00days
Argument of Periastron
222.0+10.0−10.0deg
Radial Velocity Semi-Amplitude
37.60+1.20−1.20m/s
Distance from Earth
50.7 pc (~165 ly)
Spectral Type
Unknown
Temperature
5746 K
Mass (Solar)
1.09 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
298.0192°, 28.1000°
Discovery Method
Radial Velocity
Discovery Year
2004
Source ID: HD 188015 b
HD 188015 b orbits HD 188015 and was reported in 2004 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 476.72 Earth masses (M sin i) and an orbital period of 461.2 days.
Catalog data places the system at about 50.7 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 188015