HD 42618 b
Orbiting HD 42618
HD 42618 b is an exoplanet orbiting the star HD 42618, discovered in 2016 using the Radial Velocity method.
Minimum Mass (M sin i)
14.40
Earth masses
Orbital Period
149.6
days
Distance
24.3
parsecs
Equilibrium Temp
337
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
14.40
Radial-velocity minimum
Equilibrium Temperature
337 K
Parameter source: Fulton et al. 2016
Orbital Period
149.610+0.370−0.340days
Semi-Major Axis
0.5540+0.0110−0.0110au
M sin(i) (Earth masses)
14.40+2.50−2.40
M sin(i) (Jupiter masses)
0.0453+0.0079−0.0076
Eccentricity
0.1900+0.1500−0.1200
Argument of Periastron
101.0+69.0−39.0deg
Radial Velocity Semi-Amplitude
1.89+0.29−0.28m/s
Distance from Earth
24.3 pc (~79 ly)
Spectral Type
G4 V
Temperature
5727 K
Mass (Solar)
1.01 M☉
Radius (Solar)
1.00 R☉
Luminosity
-0.01 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
93.0032°, 6.7820°
Discovery Method
Radial Velocity
Discovery Year
2016
Source ID: HD 42618 b
HD 42618 b orbits HD 42618 and was reported in 2016 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 14.4 Earth masses (M sin i), an orbital period of 149.61 days, and an equilibrium temperature near 337 K.
Catalog data places the system at about 24.3 parsecs from Earth, a host star classified as G4 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 42618