Exoplanet

HD 154345 b

Orbiting HD 154345

Overview

HD 154345 b is an exoplanet orbiting the star HD 154345, discovered in 2006 using the Radial Velocity method.

Key Measurements

Mass

376.94

Earth masses

0500 M⊕

Orbital Period

3280.0

days

0.1d10,000d

Distance

18.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

376.94

Measured

Equilibrium Temperature

Unknown

Parameter source: Giovinazzi et al. 2025

Orbital Period

3280.000+29.00028.000days

Semi-Major Axis

4.1580+0.06600.0670au

Planet Mass (Earth masses)

376.94+30.1918.75

Planet Mass (Jupiter masses)

1.1860+0.09500.0590

Eccentricity

0.0580+0.01900.0190

Epoch of Periastron

2458230.00+147.00263.00days(JD)

Argument of Periastron

309.0+18.021.0deg

Distance from Earth

18.3 pc (~60 ly)

Spectral Type

G8

Temperature

Unknown

Mass (Solar)

0.89 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

255.6525°, 47.0856°

Discovery Method

Radial Velocity

Discovery Year

2006

Data Sources

Source ID: HD 154345 b

System Context

HD 154345 b orbits HD 154345 and was reported in 2006 and was detected with the Radial Velocity method.

Published measurements list a mass of 376.94 Earth masses and an orbital period of 3,280 days.

Catalog data places the system at about 18.3 parsecs from Earth, a host star classified as G8, 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 154345
HD 154345 b