HD 129445 b
Orbiting HD 129445
HD 129445 b is an exoplanet orbiting the star HD 129445, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
508.51
Earth masses
Orbital Period
1840.0
days
Distance
67.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
508.51
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Arriagada et al. 2010
Orbital Period
1840.000+55.000−55.000days
Semi-Major Axis
2.9000+0.2000−0.2000au
M sin(i) (Earth masses)
508.51+190.69−190.69
M sin(i) (Jupiter masses)
1.6000+0.6000−0.6000
Eccentricity
0.7000+0.1000−0.1000
Epoch of Periastron
2453093.00+50.00−50.00days
Argument of Periastron
163.0+15.0−15.0deg
Radial Velocity Semi-Amplitude
38.00+6.00−6.00m/s
Distance from Earth
67.4 pc (~220 ly)
Spectral Type
G6 V
Temperature
Unknown
Mass (Solar)
0.99 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
221.5104°, -68.7630°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 129445 b
HD 129445 b orbits HD 129445 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 508.51 Earth masses (M sin i) and an orbital period of 1,840 days.
Catalog data places the system at about 67.4 parsecs from Earth, a host star classified as G6 V, 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 129445