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

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HD 133131 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 133131 A b

Confirmed exoplanet · Gas Giant

HD 133131 A b

Orbiting HD 133131 A

Discovered in 2016 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 133131 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 451.3186 M⊕
Orbit: 649 days
Distance: 51.4736 pc

Planet profile

Orbit and physical properties

Orbital period: 649 days
Semi-major axis: 1.44 AU
Eccentricity: 0.33
Radius: 13.6 Earth radii
Mass: 451.3186 Earth masses
Mass provenance: Msini
Density: 0.986 g/cm³
Equilibrium temperature: 227.72 K
Insolation: 0.4642 Earth flux

Host system

Star and system properties

Host star: HD 133131 A
Stars in system: 2
Known planets in system: 3
Spectral type: G2 V
Stellar temperature: 5,799 K
Stellar radius: 0.955014 R☉
Stellar mass: 0.95 M☉
Stellar metallicity: -0.306 dex
Stellar age: 9.7 Gyr
Distance: 51.4736 parsecs
Right ascension: 15h03m35.63s
Declination: -27d50m35.29s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-12
Discovery locale: Ground
Facility: Las Campanas Observatory
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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