Exoplanet

HD 159243 b

Orbiting HD 159243

Overview

HD 159243 b is an exoplanet orbiting the star HD 159243, discovered in 2013 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

359.13

Earth masses

0500 M⊕

Orbital Period

12.6

days

0.1d10,000d

Distance

73.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

359.13

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Moutou et al. 2014

Orbital Period

12.620+0.0040.004days

Semi-Major Axis

0.1100+0.00200.0020au

M sin(i) (Earth masses)

359.13+15.8915.89

M sin(i) (Jupiter masses)

1.1300+0.05000.0500

Eccentricity

0.0200+0.01800.0180

Argument of Periastron

223.0+93.093.0deg

Radial Velocity Semi-Amplitude

91.10+2.102.10m/s

Distance from Earth

73.3 pc (~239 ly)

Spectral Type

G0 V

Temperature

6123 K

Mass (Solar)

1.13 M☉

Radius (Solar)

1.12 R☉

Luminosity

0.11 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

263.3395°, 5.7008°

Discovery Method

Radial Velocity

Discovery Year

2013

Data Sources

Source ID: HD 159243 b

System Context

HD 159243 b orbits HD 159243 and was reported in 2013 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 359.13 Earth masses (M sin i) and an orbital period of 12.62 days.

Catalog data places the system at about 73.3 parsecs from Earth, a host star classified as G0 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 159243

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