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HD 133131 B b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 133131 B b

Confirmed exoplanet · Gas Giant

HD 133131 B b

Orbiting HD 133131 B

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

Discovery: 2,016
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 794.575 M⊕
Orbit: 5,769 days
Distance: 51.2993 pc

Planet profile

Orbit and physical properties

Orbital period: 5,769 days
Semi-major axis: 6.15 AU
Eccentricity: 0.61
Radius: 13.3 Earth radii
Mass: 794.575 Earth masses
Mass provenance: Msini
Density: 1.86 g/cm³
Equilibrium temperature: 112.28 K
Insolation: 0.0259 Earth flux

Host system

Star and system properties

Host star: HD 133131 B
Stars in system: 2
Known planets in system: 3
Spectral type: G2 V
Stellar temperature: 5,805 K
Stellar radius: 0.989538 R☉
Stellar mass: 0.93 M☉
Stellar metallicity: -0.281 dex
Stellar age: 9.7 Gyr
Distance: 51.2993 parsecs
Right ascension: 15h03m35.99s
Declination: -27d50m29.74s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-12
Discovery locale: Ground
Facility: Las Campanas Observatory
Telescope: 6.5 m Magellan II Clay Telescope
Instrument: Carnegie Planet Finder Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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