HD 219828 b
Orbiting HD 219828
HD 219828 b is an exoplanet orbiting the star HD 219828, discovered in 2007 using the Radial Velocity method.
Minimum Mass (M sin i)
19.07
Earth masses
Orbital Period
3.8
days
Distance
73.1
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
19.07
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
3.835+0.000−0.000days
Semi-Major Axis
0.0490+0.0020−0.0020au
M sin(i) (Earth masses)
19.07+1.59−1.59
M sin(i) (Jupiter masses)
0.0600+0.0050−0.0050
Eccentricity
0.0910+0.0210−0.0250
Epoch of Periastron
2453506.32+0.50−0.11days(BJD)
Argument of Periastron
242.8+19.9−20.6deg
Radial Velocity Semi-Amplitude
7.58+0.24−0.21m/s
Distance from Earth
73.1 pc (~238 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.04 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
349.6947°, 18.6458°
Discovery Method
Radial Velocity
Discovery Year
2007
Source ID: HD 219828 b
HD 219828 b orbits HD 219828 and was reported in 2007 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 19.07 Earth masses (M sin i) and an orbital period of 3.83 days.
Catalog data places the system at about 73.1 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 219828More planets in this system