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HD 111232 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 111232 b

Confirmed exoplanet · Gas Giant

HD 111232 b

Orbiting HD 111232

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 111232 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,531.503262 M⊕
Orbit: 1,169.13202 days
Distance: 28.9571 pc

Planet profile

Orbit and physical properties

Orbital period: 1,169.13202 days
Semi-major axis: 2.148 AU
Eccentricity: 0.214
Radius: 12.6 Earth radii
Mass: 2,531.503262 Earth masses
Mass provenance: Mass
Density: 6.95 g/cm³
Equilibrium temperature: 172.05 K
Insolation: 0.1496 Earth flux

Host system

Star and system properties

Host star: HD 111232
Stars in system: 1
Known planets in system: 2
Spectral type: G8 V
Stellar temperature: 5,512 K
Stellar radius: 0.9 R☉
Stellar mass: 0.96 M☉
Stellar metallicity: -0.36 dex
Stellar age: 5.2 Gyr
Distance: 28.9571 parsecs
Right ascension: 12h48m51.83s
Declination: -68d25m28.80s

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 ↗

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