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HD 87646 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 87646 b

Confirmed exoplanet · Gas Giant

HD 87646 b

Orbiting HD 87646

Discovered in 2016 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 87646 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 12.4 R⊕
Mass: 3,941.092 M⊕
Orbit: 13.481 days
Distance: 73.58352 pc

Planet profile

Orbit and physical properties

Orbital period: 13.481 days
Semi-major axis: 0.117 AU
Eccentricity: 0.05
Radius: 12.4 Earth radii
Mass: 3,941.092 Earth masses
Mass provenance: Msini
Density: 11.4 g/cm³
Equilibrium temperature: 1,012.7 K
Insolation: 665.812 Earth flux

Host system

Star and system properties

Host star: HD 87646
Stars in system: 3
Known planets in system: 1
Spectral type: G
Stellar temperature: 5,770 K
Stellar radius: 1.55 R☉
Stellar mass: 1.12 M☉
Stellar metallicity: -0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 73.58352 parsecs
Right ascension: 10h06m40.69s
Declination: +17d53m41.93s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-11
Discovery locale: Ground
Facility: Apache Point Observatory
Telescope: 2.5m Sloan Digital Sky Survey (SDSS) Telescope
Instrument: KeckET
NASA Exoplanet Archive: Open composite record ↗

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