Exoplanet

HD 147018 b

Orbiting HD 147018

Overview

HD 147018 b is an exoplanet orbiting the star HD 147018, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

674.00

Earth masses

0500 M⊕

Orbital Period

44.2

days

0.1d10,000d

Distance

40.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

674.00

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Ségransan et al. 2010

Orbital Period

44.236+0.0080.008days

Semi-Major Axis

0.2388+0.00390.0039au

M sin(i) (Earth masses)

674.00+20.0020.00

M sin(i) (Jupiter masses)

2.1200+0.07000.0700

Eccentricity

0.4686+0.00810.0081

Epoch of Periastron

2454459.49+0.100.10days

Argument of Periastron

-24.0+1.21.2deg

Radial Velocity Semi-Amplitude

145.33+1.661.66m/s

Distance from Earth

40.4 pc (~132 ly)

Spectral Type

G9 V

Temperature

5441 K

Mass (Solar)

0.93 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

245.7490°, -61.6901°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HD 147018 b

System Context

HD 147018 b orbits HD 147018 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 674 Earth masses (M sin i) and an orbital period of 44.24 days.

Catalog data places the system at about 40.4 parsecs from Earth, a host star classified as G9 V, and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 147018

More planets in this system

HD 147018 b