Exoplanet

HD 135344 A b

Orbiting HD 135344 A

Overview

HD 135344 A b is an exoplanet orbiting the star HD 135344 A, discovered in 2025 using the Imaging method. It is a Jupiter-sized world.

Key Measurements

Radius

16.25

Earth radii

015 R⊕

Mass

3178.28

Earth masses

0500 M⊕

Distance

141.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1585

K

150 K3,500 K

Radius (Earth radii)

16.25

Mass (Earth masses)

3178.28

Measured

Equilibrium Temperature

1585 K

Parameter source: Stolker et al. 2025

Semi-Major Axis

16.5000+2.80002.0000au

Planet Mass (Earth masses)

3178.28+444.96603.87

Planet Mass (Jupiter masses)

10.0000+1.40001.9000

Eccentricity

0.5000+0.20000.2000

Epoch of Periastron

2465405.50+2026.001378.00days(JD)

Argument of Periastron

8.2+8.710.8deg

Distance from Earth

141.6 pc (~462 ly)

Spectral Type

A0 V

Temperature

9540 K

Mass (Solar)

Unknown

Radius (Solar)

1.50 R☉

Luminosity

1.22 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

228.9538°, -37.1489°

Discovery Method

Imaging

Discovery Year

2025

Data Sources

Source ID: HD 135344 A b

System Context

HD 135344 A b orbits HD 135344 A and was reported in 2025 and was detected with the Imaging method.

Published measurements list a radius of 16.25 Earth radii, a mass of 3,178.28 Earth masses, and an equilibrium temperature near 1,585 K.

Catalog data places the system at about 141.6 parsecs from Earth, a host star classified as A0 V, 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 135344 A