Exoplanet

HD 143361 b

Orbiting HD 143361

Overview

HD 143361 b is an exoplanet orbiting the star HD 143361, discovered in 2008 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

1122.58

Earth masses

0500 M⊕

Orbital Period

1039.2

days

0.1d10,000d

Distance

68.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

1122.58

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barbato et al. 2018

Orbital Period

1039.150+1.6401.700days

Semi-Major Axis

1.9880+0.01800.0180au

M sin(i) (Earth masses)

1122.58+20.6620.98

M sin(i) (Jupiter masses)

3.5320+0.06500.0660

Eccentricity

0.1970+0.00600.0060

Epoch of Periastron

2456805.80+4.904.90days(BJD)

Argument of Periastron

241.9+2.12.1deg

Radial Velocity Semi-Amplitude

73.89+0.560.58m/s

Distance from Earth

68.5 pc (~223 ly)

Spectral Type

Unknown

Temperature

5507 K

Mass (Solar)

0.97 M☉

Radius (Solar)

0.92 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

240.4588°, -44.4351°

Discovery Method

Radial Velocity

Discovery Year

2008

Data Sources

Source ID: HD 143361 b

System Context

HD 143361 b orbits HD 143361 and was reported in 2008 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 1,122.58 Earth masses (M sin i) and an orbital period of 1,039.15 days.

Catalog data places the system at about 68.5 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 143361