HD 20782 b
Orbiting HD 20782
HD 20782 b is an exoplanet orbiting the star HD 20782, discovered in 2006 using the Radial Velocity method.
Minimum Mass (M sin i)
472.83
Earth masses
Orbital Period
597.1
days
Distance
36.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
472.83
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Udry et al. 2019
Orbital Period
597.064+0.026−0.026days
Semi-Major Axis
1.3649+0.0466−0.0495au
M sin(i) (Earth masses)
472.83+33.22−33.88
M sin(i) (Jupiter masses)
1.4878+0.1045−0.1066
Eccentricity
0.9500+0.0010−0.0010
Epoch of Periastron
2455247.02+0.08−0.08days(BJD)
Argument of Periastron
143.6+0.6−0.7deg
Radial Velocity Semi-Amplitude
118.43+1.78−1.78m/s
Distance from Earth
36.0 pc (~117 ly)
Spectral Type
Unknown
Temperature
5782 K
Mass (Solar)
1.04 M☉
Radius (Solar)
1.13 R☉
Luminosity
0.11 log L☉
Planets in System
5
Stars in System
2
Coordinates (RA, Dec)
50.0166°, -28.8544°
Discovery Method
Radial Velocity
Discovery Year
2006
Source ID: HD 20782 b
HD 20782 b orbits HD 20782 and was reported in 2006 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 472.83 Earth masses (M sin i) and an orbital period of 597.06 days.
Catalog data places the system at about 36 parsecs from Earth and 5 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 20782