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HD 108874 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 108874 b

Confirmed exoplanet · Gas Giant

HD 108874 b

Orbiting HD 108874

Discovered in 2002 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 108874 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 451.3186 M⊕
Orbit: 394.48123 days
Distance: 59.5175 pc

Planet profile

Orbit and physical properties

Orbital period: 394.48123 days
Semi-major axis: 1.04 AU
Eccentricity: 0.13
Radius: 13.6 Earth radii
Mass: 451.3186 Earth masses
Mass provenance: Msini
Density: 0.986 g/cm³
Equilibrium temperature: 271.33 K
Insolation: 0.923 Earth flux

Host system

Star and system properties

Host star: HD 108874
Stars in system: 1
Known planets in system: 2
Spectral type: G5
Stellar temperature: 5,600 K
Stellar radius: 1.05 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: 0.26 dex
Stellar age: 8 Gyr
Distance: 59.5175 parsecs
Right ascension: 12h30m27.02s
Declination: +22d52m45.98s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2003-01
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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