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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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HD 135344 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 135344 A b

Confirmed exoplanet · Gas Giant

HD 135344 A b

Orbiting HD 135344 A

Discovered in 2025 using Imaging. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 135344 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Imaging
Radius: 16.253022 R⊕
Mass: 3,178.28407 M⊕
Orbit: Not reported by the NASA Exoplanet Archive
Distance: 141.595 pc

Planet profile

Orbit and physical properties

Orbital period: Not reported by the NASA Exoplanet Archive
Semi-major axis: 16.5 AU
Eccentricity: 0.5
Radius: 16.253022 Earth radii
Mass: 3,178.28407 Earth masses
Mass provenance: Mass
Density: 4.07 g/cm³
Equilibrium temperature: 1,585 K
Insolation: 0.061 Earth flux

Host system

Star and system properties

Host star: HD 135344 A
Stars in system: 2
Known planets in system: 1
Spectral type: A0 V
Stellar temperature: 9,540 K
Stellar radius: 1.5 R☉
Stellar mass: 2.32 M☉
Stellar metallicity: 0.05 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 141.595 parsecs
Right ascension: 15h15m48.92s
Declination: -37d08m56.10s

Discovery

Detection and provenance

Discovery method: Imaging
Discovery year: 2,025
Publication date: 2025-08
Discovery locale: Ground
Facility: Paranal Observatory
Telescope: 8.2 m ESO VLT UT3 Melipal Telescope
Instrument: SPHERE
NASA Exoplanet Archive: Open composite record ↗

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