HD 13931 b
Orbiting HD 13931
HD 13931 b is an exoplanet orbiting the star HD 13931, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
699.23
Earth masses
Orbital Period
4218.0
days
Distance
47.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
699.23
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
4218.000+390.000−390.000days
Semi-Major Axis
5.1500+0.3300−0.3300au
M sin(i) (Earth masses)
699.23+66.74−66.74
M sin(i) (Jupiter masses)
2.2000+0.2100−0.2100
Eccentricity
0.0200+0.0400−0.0400
Radial Velocity Semi-Amplitude
23.30+1.40−1.40m/s
Distance from Earth
47.4 pc (~155 ly)
Spectral Type
Unknown
Temperature
5867 K
Mass (Solar)
1.30 M☉
Radius (Solar)
1.25 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
34.1980°, 43.7722°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 13931 b
HD 13931 b orbits HD 13931 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 699.23 Earth masses (M sin i) and an orbital period of 4,218 days.
Catalog data places the system at about 47.4 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 13931