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HD 203387 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 203387 b

Confirmed exoplanet · Gas Giant

HD 203387 b

Orbiting HD 203387

Discovered in 2022 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 203387 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 13.1 R⊕
Mass: 1,106.042856 M⊕
Orbit: 512.5352 days
Distance: 61.7477 pc

Planet profile

Orbit and physical properties

Orbital period: 512.5352 days
Semi-major axis: 1.771 AU
Eccentricity: 0.732
Radius: 13.1 Earth radii
Mass: 1,106.042856 Earth masses
Mass provenance: Msini
Density: 2.7 g/cm³
Equilibrium temperature: 610 K
Insolation: 23.0974 Earth flux

Host system

Star and system properties

Host star: HD 203387
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,174.32 K
Stellar radius: 10.5852 R☉
Stellar mass: 2.817 M☉
Stellar metallicity: 0.05 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 61.7477 parsecs
Right ascension: 21h22m14.83s
Declination: -16d50m04.28s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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