HD 31253 b
Orbiting HD 31253
HD 31253 b is an exoplanet orbiting the star HD 31253, discovered in 2010 using the Radial Velocity method.
Minimum Mass (M sin i)
197.05
Earth masses
Orbital Period
466.0
days
Distance
58.1
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
197.05
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
466.000+3.000−3.000days
Semi-Major Axis
1.2600+0.0200−0.0200au
M sin(i) (Earth masses)
197.05+38.14−38.14
M sin(i) (Jupiter masses)
0.6200+0.1200−0.1200
Eccentricity
0.3000+0.2000−0.2000
Radial Velocity Semi-Amplitude
12.00+2.00−2.00m/s
Distance from Earth
58.1 pc (~190 ly)
Spectral Type
Unknown
Temperature
6130 K
Mass (Solar)
1.70 M☉
Radius (Solar)
1.75 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
73.6823°, 12.3520°
Discovery Method
Radial Velocity
Discovery Year
2010
Source ID: HD 31253 b
HD 31253 b orbits HD 31253 and was reported in 2010 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 197.05 Earth masses (M sin i) and an orbital period of 466 days.
Catalog data places the system at about 58.1 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 31253