Exoplanet

HD 224538 b

Orbiting HD 224538

Overview

HD 224538 b is an exoplanet orbiting the star HD 224538, discovered in 2016 using the Radial Velocity method.

Key Measurements

Mass

2075.74

Earth masses

0500 M⊕

Orbital Period

1202.1

days

0.1d10,000d

Distance

79.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

2075.74

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

1202.052+3.8823.681days

Semi-Major Axis

2.3750+0.11100.1230au

Planet Mass (Earth masses)

2075.74+583.53110.92

Planet Mass (Jupiter masses)

6.5310+1.83600.3490

Eccentricity

0.4760+0.01400.0130

Epoch of Periastron

2452421.82+9.369.82days(BJD)

Argument of Periastron

26.8+1.21.4deg

Radial Velocity Semi-Amplitude

123.16+3.462.77m/s

Distance from Earth

79.1 pc (~258 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.23 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

359.7164°, -61.5869°

Discovery Method

Radial Velocity

Discovery Year

2016

Data Sources

Source ID: HD 224538 b

System Context

HD 224538 b orbits HD 224538 and was reported in 2016 and was detected with the Radial Velocity method.

Published measurements list a mass of 2,075.74 Earth masses and an orbital period of 1,202.05 days.

Catalog data places the system at about 79.1 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 224538