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HD 85390 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 85390 b

Confirmed exoplanet · Gas Giant

HD 85390 b

Orbiting HD 85390

Discovered in 2011 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 85390 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 6.16 R⊕
Mass: 31.46517 M⊕
Orbit: 799.52 days
Distance: 33.5225 pc

Planet profile

Orbit and physical properties

Orbital period: 799.52 days
Semi-major axis: 1.373 AU
Eccentricity: 0.5
Radius: 6.16 Earth radii
Mass: 31.46517 Earth masses
Mass provenance: Msini
Density: 0.74 g/cm³
Equilibrium temperature: 190.89 K
Insolation: 0.2281 Earth flux

Host system

Star and system properties

Host star: HD 85390
Stars in system: 1
Known planets in system: 1
Spectral type: K1.5 V
Stellar temperature: 5,186 K
Stellar radius: 0.8 R☉
Stellar mass: 0.758 M☉
Stellar metallicity: -0.07 dex
Stellar age: 7.2 Gyr
Distance: 33.5225 parsecs
Right ascension: 09h50m02.54s
Declination: -49d47m25.89s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2011-02
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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