HD 117618 b
Orbiting HD 117618
HD 117618 b is an exoplanet orbiting the star HD 117618, discovered in 2004 using the Radial Velocity method.
Minimum Mass (M sin i)
55.30
Earth masses
Orbital Period
25.8
days
Distance
37.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
55.30
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Wittenmyer et al. 2019
Orbital Period
25.800+0.004−0.004days
Semi-Major Axis
0.1800+0.0050−0.0050au
M sin(i) (Earth masses)
55.30+4.45−4.45
M sin(i) (Jupiter masses)
0.1740+0.0140−0.0140
Eccentricity
0.1500+0.0700−0.0700
Argument of Periastron
289.0+64.0−64.0deg
Radial Velocity Semi-Amplitude
10.90+0.68−0.68m/s
Distance from Earth
37.8 pc (~123 ly)
Spectral Type
Unknown
Temperature
5990 K
Mass (Solar)
1.08 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
203.1066°, -47.2719°
Discovery Method
Radial Velocity
Discovery Year
2004
Source ID: HD 117618 b
HD 117618 b orbits HD 117618 and was reported in 2004 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 55.3 Earth masses (M sin i) and an orbital period of 25.8 days.
Catalog data places the system at about 37.8 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 117618