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HD 18015 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 18015 b

Confirmed exoplanet · Gas Giant

HD 18015 b

Orbiting HD 18015

Discovered in 2018 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 18015 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 13.1 R⊕
Mass: 1,048.833743 M⊕
Orbit: 2,278 days
Distance: 123.801 pc

Planet profile

Orbit and physical properties

Orbital period: 2,278 days
Semi-major axis: 3.87 AU
Eccentricity: 0.148
Radius: 13.1 Earth radii
Mass: 1,048.833743 Earth masses
Mass provenance: Mass
Density: 2.56 g/cm³
Equilibrium temperature: 242.98 K
Insolation: 0.6286 Earth flux

Host system

Star and system properties

Host star: HD 18015
Stars in system: 1
Known planets in system: 1
Spectral type: G6 IV
Stellar temperature: 5,603 K
Stellar radius: 3.13 R☉
Stellar mass: 1.49 M☉
Stellar metallicity: -0.14 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 123.801 parsecs
Right ascension: 02h53m27.27s
Declination: -08d50m52.94s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2019-04
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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