HD 29021 b
Orbiting HD 29021
HD 29021 b is an exoplanet orbiting the star HD 29021, discovered in 2017 using the Radial Velocity method.
Mass
1420.69
Earth masses
Orbital Period
1365.0
days
Distance
31.0
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
1420.69
Measured
Equilibrium Temperature
Unknown
Parameter source: Li et al. 2021
Orbital Period
1365.000+7.000−7.000days
Semi-Major Axis
2.2940+0.0190−0.0190au
Planet Mass (Earth masses)
1420.69+212.95−206.59
Planet Mass (Jupiter masses)
4.4700+0.6700−0.6500
Eccentricity
0.4530+0.0140−0.0130
Epoch of Periastron
2455824.80+9.40−9.00days(JD)
Argument of Periastron
180.6+3.4−3.2deg
Distance from Earth
31.0 pc (~101 ly)
Spectral Type
G5
Temperature
Unknown
Mass (Solar)
0.86 M☉
Radius (Solar)
Unknown
Luminosity
-0.18 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
69.4681°, 60.6763°
Discovery Method
Radial Velocity
Discovery Year
2017
Source ID: HD 29021 b
HD 29021 b orbits HD 29021 and was reported in 2017 and was detected with the Radial Velocity method.
Published measurements list a mass of 1,420.69 Earth masses and an orbital period of 1,365 days.
Catalog data places the system at about 31 parsecs from Earth, a host star classified as G5, 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 29021