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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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HD 162020 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 162020 b

Confirmed exoplanet · Gas Giant

HD 162020 b

Orbiting HD 162020

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 162020 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 12.5 R⊕
Mass: 3,127.4472 M⊕
Orbit: 8.4282 days
Distance: 30.8248 pc

Planet profile

Orbit and physical properties

Orbital period: 8.4282 days
Semi-major axis: 0.08 AU
Eccentricity: 0.28
Radius: 12.5 Earth radii
Mass: 3,127.4472 Earth masses
Mass provenance: Msini
Density: 8.8 g/cm³
Equilibrium temperature: 650 K
Insolation: 39.0625 Earth flux

Host system

Star and system properties

Host star: HD 162020
Stars in system: 1
Known planets in system: 1
Spectral type: K3 V
Stellar temperature: 4,723 K
Stellar radius: 0.75 R☉
Stellar mass: 0.42 M☉
Stellar metallicity: -0.1 dex
Stellar age: 6 Gyr
Distance: 30.8248 parsecs
Right ascension: 17h50m38.38s
Declination: -40d19m06.47s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2002-07
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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