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HD 238914 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 238914 b

Confirmed exoplanet · Gas Giant

HD 238914 b

Orbiting HD 238914

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 238914 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,906.98 M⊕
Orbit: 4,100 days
Distance: 519.452 pc

Planet profile

Orbit and physical properties

Orbital period: 4,100 days
Semi-major axis: 5.7 AU
Eccentricity: 0.56
Radius: 12.8 Earth radii
Mass: 1,906.98 Earth masses
Mass provenance: Msini
Density: 5 g/cm³
Equilibrium temperature: 343.67 K
Insolation: 2.179 Earth flux

Host system

Star and system properties

Host star: HD 238914
Stars in system: 1
Known planets in system: 1
Spectral type: K7
Stellar temperature: 4,769 K
Stellar radius: 12.73 R☉
Stellar mass: 1.47 M☉
Stellar metallicity: -0.25 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 519.452 parsecs
Right ascension: 18h38m20.21s
Declination: +59d15m13.97s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-05
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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