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HD 75784 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 75784 c

Confirmed exoplanet · Gas Giant

HD 75784 c

Orbiting HD 75784

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 75784 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,792.5612 M⊕
Orbit: 7,900 days
Distance: 85.4321 pc

Planet profile

Orbit and physical properties

Orbital period: 7,900 days
Semi-major axis: 8.4 AU
Eccentricity: 0.489
Radius: 12.8 Earth radii
Mass: 1,792.5612 Earth masses
Mass provenance: Msini
Density: 4.7 g/cm³
Equilibrium temperature: 149.31 K
Insolation: 0.0808 Earth flux

Host system

Star and system properties

Host star: HD 75784
Stars in system: 1
Known planets in system: 2
Spectral type: G5
Stellar temperature: 4,867 K
Stellar radius: 3.4 R☉
Stellar mass: 1.26 M☉
Stellar metallicity: 0.25 dex
Stellar age: 4 Gyr
Distance: 85.4321 parsecs
Right ascension: 08h52m23.81s
Declination: +13d13m59.00s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-11
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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