Exoplanet

HD 205158 b

Orbiting HD 205158

Overview

HD 205158 b is an exoplanet orbiting the star HD 205158, discovered in 2022 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

124.59

Earth masses

0500 M⊕

Orbital Period

25.3

days

0.1d10,000d

Distance

86.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

124.59

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

25.338+0.0040.003days

Semi-Major Axis

0.1770+0.00800.0090au

M sin(i) (Earth masses)

124.59+12.4014.30

M sin(i) (Jupiter masses)

0.3920+0.03900.0450

Eccentricity

0.1450+0.07500.0580

Epoch of Periastron

2446031.33+4123.207221.29days(BJD)

Argument of Periastron

27.3+5.15.6deg

Radial Velocity Semi-Amplitude

24.79+1.331.41m/s

Distance from Earth

86.6 pc (~283 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.16 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

323.9186°, -59.6933°

Discovery Method

Radial Velocity

Discovery Year

2022

Data Sources

Source ID: HD 205158 b

System Context

HD 205158 b orbits HD 205158 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 124.59 Earth masses (M sin i) and an orbital period of 25.34 days.

Catalog data places the system at about 86.6 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 205158