Exoplanet

HD 20329 b

Orbiting HD 20329

Overview

HD 20329 b is an exoplanet orbiting the star HD 20329, discovered in 2022 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

1.72

Earth radii

015 R⊕

Mass

7.42

Earth masses

0500 M⊕

Orbital Period

0.9

days

0.1d10,000d

Distance

63.7

parsecs

Nearby10,000 pc

Equilibrium Temp

2141

K

150 K3,500 K

Radius (Earth radii)

1.72

Mass (Earth masses)

7.42

Measured

Equilibrium Temperature

2141 K

Parameter source: Murgas et al. 2022

Orbital Period

0.926+0.000−0.000days

Semi-Major Axis

0.0180+0.0003−0.0003au

Planet Mass (Earth masses)

7.42+1.09−1.09

Planet Mass (Jupiter masses)

0.0233+0.0034−0.0034

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

5.07+0.41−0.42m/s

Distance from Earth

63.7 pc (~208 ly)

Spectral Type

Unknown

Temperature

5596 K

Mass (Solar)

0.90 M☉

Radius (Solar)

1.13 R☉

Luminosity

0.05 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

49.1781°, 15.6564°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: HD 20329 b

System Context

HD 20329 b orbits HD 20329 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 1.72 Earth radii, a mass of 7.42 Earth masses, an orbital period of 0.93 days, and an equilibrium temperature near 2,141 K.

Catalog data places the system at about 63.7 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 20329