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HD 208487 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 208487 b

Confirmed exoplanet · Gas Giant

HD 208487 b

Orbiting HD 208487

Discovered in 2004 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 208487 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,004
Method: Radial Velocity
Radius: 14.3 R⊕
Mass: 146.201067 M⊕
Orbit: 129.36 days
Distance: 45.147 pc

Planet profile

Orbit and physical properties

Orbital period: 129.36 days
Semi-major axis: 0.53 AU
Eccentricity: 0.37
Radius: 14.3 Earth radii
Mass: 146.201067 Earth masses
Mass provenance: Msini
Density: 0.275 g/cm³
Equilibrium temperature: 437.59 K
Insolation: 6.0876 Earth flux

Host system

Star and system properties

Host star: HD 208487
Stars in system: 1
Known planets in system: 1
Spectral type: G2 V
Stellar temperature: 6,134 K
Stellar radius: 1.16 R☉
Stellar mass: 1.15 M☉
Stellar metallicity: 0.09 dex
Stellar age: 1.95 Gyr
Distance: 45.147 parsecs
Right ascension: 21h57m19.98s
Declination: -37d45m50.89s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,004
Publication date: 2005-04
Discovery locale: Ground
Facility: Anglo-Australian Telescope
Telescope: 3.9 m Anglo-Australian Telescope
Instrument: UCLES Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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