HD 66428 b
Orbiting HD 66428
HD 66428 b is an exoplanet orbiting the star HD 66428, discovered in 2005 using the Radial Velocity method.
Mass
3478.95
Earth masses
Orbital Period
2269.8
days
Distance
53.3
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
3478.95
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
2269.817+5.366−5.854days
Semi-Major Axis
3.3950+0.1410−0.1570au
Planet Mass (Earth masses)
3478.95+776.14−1222.05
Planet Mass (Jupiter masses)
10.9460+2.4420−3.8450
Eccentricity
0.4710+0.0120−0.0120
Epoch of Periastron
2450057.76+16.56−18.43days(BJD)
Argument of Periastron
185.7+1.7−1.6deg
Radial Velocity Semi-Amplitude
54.44+1.03−1.17m/s
Distance from Earth
53.3 pc (~174 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.01 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
120.8692°, -1.1636°
Discovery Method
Radial Velocity
Discovery Year
2005
Source ID: HD 66428 b
HD 66428 b orbits HD 66428 and was reported in 2005 and was detected with the Radial Velocity method.
Published measurements list a mass of 3,478.95 Earth masses and an orbital period of 2,269.82 days.
Catalog data places the system at about 53.3 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 66428More planets in this system