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

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HD 111591 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 111591 b

Confirmed exoplanet · Gas Giant

HD 111591 b

Orbiting HD 111591

Discovered in 2017 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 111591 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Radial Velocity
Radius: 12.9 R⊕
Mass: 1,398.452 M⊕
Orbit: 1,056.4 days
Distance: 114.166 pc

Planet profile

Orbit and physical properties

Orbital period: 1,056.4 days
Semi-major axis: 2.5 AU
Eccentricity: 0.26
Radius: 12.9 Earth radii
Mass: 1,398.452 Earth masses
Mass provenance: Msini
Density: 3.58 g/cm³
Equilibrium temperature: 422.08 K
Insolation: 6.0912 Earth flux

Host system

Star and system properties

Host star: HD 111591
Stars in system: 1
Known planets in system: 1
Spectral type: K0 III
Stellar temperature: 4,884 K
Stellar radius: 8.03 R☉
Stellar mass: 1.94 M☉
Stellar metallicity: 0.07 dex
Stellar age: 1.41 Gyr
Distance: 114.166 parsecs
Right ascension: 12h50m17.41s
Declination: +22d51m47.26s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,017
Publication date: 2018-02
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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