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HD 185283 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 185283 b

Confirmed exoplanet · Gas Giant

HD 185283 b

Orbiting HD 185283

Discovered in 2023 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 185283 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 413.176929 M⊕
Orbit: 4,060 days
Distance: 31.395 pc

Planet profile

Orbit and physical properties

Orbital period: 4,060 days
Semi-major axis: 4.6 AU
Eccentricity: 0.07
Radius: 13.6 Earth radii
Mass: 413.176929 Earth masses
Mass provenance: Mass
Density: 0.903 g/cm³
Equilibrium temperature: 93.97 K
Insolation: 0.013 Earth flux

Host system

Star and system properties

Host star: HD 185283
Stars in system: 1
Known planets in system: 1
Spectral type: K3 V
Stellar temperature: 4,848 K
Stellar radius: 0.743303 R☉
Stellar mass: 0.8 M☉
Stellar metallicity: -0.06 dex
Stellar age: 6 Gyr
Distance: 31.395 parsecs
Right ascension: 19h41m17.61s
Declination: -56d19m19.59s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-10
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 185283 b.

Generic gas giant catalog artwork; not a direct image of HD 185283 b — Apex Andromeda catalog artwork