Exoplanet

HD 139357 b

Orbiting HD 139357

Overview

HD 139357 b is an exoplanet orbiting the star HD 139357, discovered in 2008 using the Radial Velocity method.

Key Measurements

Mass

6315.57

Earth masses

0500 M⊕

Orbital Period

1124.8

days

0.1d10,000d

Distance

112.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

6315.57

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

1124.791+11.8389.837days

Semi-Major Axis

2.9490+0.09400.0990au

Planet Mass (Earth masses)

6315.57+1403.531093.01

Planet Mass (Jupiter masses)

19.8710+4.41603.4390

Eccentricity

0.0990+0.02300.0230

Epoch of Periastron

2452470.58+33.3034.78days(BJD)

Argument of Periastron

236.0+11.310.9deg

Radial Velocity Semi-Amplitude

161.19+2.932.91m/s

Distance from Earth

112.1 pc (~366 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

2.69 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

233.8174°, 53.9222°

Discovery Method

Radial Velocity

Discovery Year

2008

Data Sources

Source ID: HD 139357 b

System Context

HD 139357 b orbits HD 139357 and was reported in 2008 and was detected with the Radial Velocity method.

Published measurements list a mass of 6,315.57 Earth masses and an orbital period of 1,124.79 days.

Catalog data places the system at about 112.1 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 139357