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HD 121504 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 121504 b

Confirmed exoplanet · Gas Giant

HD 121504 b

Orbiting HD 121504

Discovered in 2003 using Radial Velocity. 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 121504 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 479.9233 M⊕
Orbit: 63.33 days
Distance: 41.6592 pc

Planet profile

Orbit and physical properties

Orbital period: 63.33 days
Semi-major axis: 0.33 AU
Eccentricity: 0.03
Radius: 13.6 Earth radii
Mass: 479.9233 Earth masses
Mass provenance: Msini
Density: 1.05 g/cm³
Equilibrium temperature: 523.32 K
Insolation: 14.2224 Earth flux

Host system

Star and system properties

Host star: HD 121504
Stars in system: 1
Known planets in system: 1
Spectral type: G2 V
Stellar temperature: 6,027 K
Stellar radius: 1.07 R☉
Stellar mass: 1.62 M☉
Stellar metallicity: 0.15 dex
Stellar age: 1.2 Gyr
Distance: 41.6592 parsecs
Right ascension: 13h57m16.78s
Declination: -56d02m25.47s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,003
Publication date: 2004-02
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 121504 b.

Generic gas giant catalog artwork; not a direct image of HD 121504 b — Apex Andromeda catalog artwork