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HD 136418 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 136418 b

Confirmed exoplanet · Gas Giant

HD 136418 b

Orbiting HD 136418

Discovered in 2009 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 136418 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 680.1562 M⊕
Orbit: 464.29999 days
Distance: 105.168 pc

Planet profile

Orbit and physical properties

Orbital period: 464.29999 days
Semi-major axis: 1.29 AU
Eccentricity: 0.25
Radius: 13.3 Earth radii
Mass: 680.1562 Earth masses
Mass provenance: Msini
Density: 1.59 g/cm³
Equilibrium temperature: 411.81 K
Insolation: 4.0863 Earth flux

Host system

Star and system properties

Host star: HD 136418
Stars in system: 1
Known planets in system: 1
Spectral type: G5
Stellar temperature: 4,989 K
Stellar radius: 3.78 R☉
Stellar mass: 1.48 M☉
Stellar metallicity: -0.11 dex
Stellar age: 4 Gyr
Distance: 105.168 parsecs
Right ascension: 15h19m06.15s
Declination: +41d43m56.72s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-05
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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