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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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HD 112640 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 112640 b

Confirmed exoplanet · Gas Giant

HD 112640 b

Orbiting HD 112640

Discovered in 2020 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 112640 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Radial Velocity
Radius: 12.9 R⊕
Mass: 1,589.15 M⊕
Orbit: 613.2 days
Distance: 323.335 pc

Planet profile

Orbit and physical properties

Orbital period: 613.2 days
Semi-major axis: 1.7 AU
Eccentricity: 0.24
Radius: 12.9 Earth radii
Mass: 1,589.15 Earth masses
Mass provenance: Msini
Density: 4.07 g/cm³
Equilibrium temperature: 959.65 K
Insolation: 98.0969 Earth flux

Host system

Star and system properties

Host star: HD 112640
Stars in system: 1
Known planets in system: 1
Spectral type: K0 III
Stellar temperature: 4,155 K
Stellar radius: 39 R☉
Stellar mass: 1.8 M☉
Stellar metallicity: -0.09 dex
Stellar age: 1.6 Gyr
Distance: 323.335 parsecs
Right ascension: 12h56m57.96s
Declination: +67d14m34.48s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,020
Publication date: 2020-02
Discovery locale: Ground
Facility: Bohyunsan Optical Astronomical Observatory
Telescope: 1.8 m Telescope
Instrument: BOES Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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