Exoplanet

HD 125390 b

Orbiting HD 125390

Overview

HD 125390 b is an exoplanet orbiting the star HD 125390, discovered in 2019 using the Radial Velocity method.

Key Measurements

Mass

8646.20

Earth masses

0500 M⊕

Orbital Period

1757.4

days

0.1d10,000d

Distance

153.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

8646.20

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

1757.392+4.6695.442days

Semi-Major Axis

3.4960+0.06600.0690au

Planet Mass (Earth masses)

8646.20+1312.0099.48

Planet Mass (Jupiter masses)

27.2040+4.12800.3130

Eccentricity

0.5970+0.02000.0170

Epoch of Periastron

2454155.00+10.7410.47days(BJD)

Argument of Periastron

342.1+1.61.4deg

Radial Velocity Semi-Amplitude

377.64+24.9818.94m/s

Distance from Earth

153.6 pc (~501 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.82 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

214.5387°, 38.9669°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HD 125390 b

System Context

HD 125390 b orbits HD 125390 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a mass of 8,646.2 Earth masses and an orbital period of 1,757.39 days.

Catalog data places the system at about 153.6 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 125390