HD 137388 b
Orbiting HD 137388
HD 137388 b is an exoplanet orbiting the star HD 137388, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
63.57
Earth masses
Orbital Period
330.0
days
Distance
40.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
63.57
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
330.000+3.000−3.000days
Semi-Major Axis
0.8900+0.0200−0.0200au
M sin(i) (Earth masses)
63.57+6.36−6.36
M sin(i) (Jupiter masses)
0.2000+0.0200−0.0200
Eccentricity
0.3600+0.1200−0.1200
Radial Velocity Semi-Amplitude
7.90+0.90−0.90m/s
Distance from Earth
40.5 pc (~132 ly)
Spectral Type
Unknown
Temperature
5181 K
Mass (Solar)
0.68 M☉
Radius (Solar)
0.88 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
233.9151°, -80.2044°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HD 137388 b
HD 137388 b orbits HD 137388 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 63.57 Earth masses (M sin i) and an orbital period of 330 days.
Catalog data places the system at about 40.5 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 137388