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HD 27894 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 27894 d

Confirmed exoplanet · Gas Giant

HD 27894 d

Orbiting HD 27894

Discovered in 2017 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 27894 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,063.659847 M⊕
Orbit: 5,019.54244 days
Distance: 43.8214 pc

Planet profile

Orbit and physical properties

Orbital period: 5,019.54244 days
Semi-major axis: 5.362 AU
Eccentricity: 0.343
Radius: 12.7 Earth radii
Mass: 2,063.659847 Earth masses
Mass provenance: Mass
Density: 5.54 g/cm³
Equilibrium temperature: 95.87 K
Insolation: 0.0124 Earth flux

Host system

Star and system properties

Host star: HD 27894
Stars in system: 1
Known planets in system: 3
Spectral type: K2 V
Stellar temperature: 4,875 K
Stellar radius: 0.891767 R☉
Stellar mass: 0.81 M☉
Stellar metallicity: 0.3 dex
Stellar age: 3.9 Gyr
Distance: 43.8214 parsecs
Right ascension: 04h20m47.42s
Declination: -59d24m34.84s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,017
Publication date: 2017-06
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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