HD 2039 b
Orbiting HD 2039
HD 2039 b is an exoplanet orbiting the star HD 2039, discovered in 2002 using the Radial Velocity method.
Minimum Mass (M sin i)
1999.15
Earth masses
Orbital Period
1120.0
days
Distance
85.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1999.15
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
1120.000+23.000−23.000days
Semi-Major Axis
2.2000+0.0600−0.0600au
M sin(i) (Earth masses)
1999.15+368.68−368.68
M sin(i) (Jupiter masses)
6.2900+1.1600−1.1600
Eccentricity
0.7100+0.0500−0.0500
Radial Velocity Semi-Amplitude
153.00+22.00−22.00m/s
Distance from Earth
85.7 pc (~279 ly)
Spectral Type
Unknown
Temperature
5945 K
Mass (Solar)
1.23 M☉
Radius (Solar)
1.19 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
6.0851°, -56.6500°
Discovery Method
Radial Velocity
Discovery Year
2002
Source ID: HD 2039 b
HD 2039 b orbits HD 2039 and was reported in 2002 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,999.15 Earth masses (M sin i) and an orbital period of 1,120 days.
Catalog data places the system at about 85.7 parsecs from Earth 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 2039