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HD 42618 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 42618 b

Confirmed exoplanet · Neptune Like

HD 42618 b

Orbiting HD 42618

Discovered in 2016 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of HD 42618 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 3.89 R⊕
Mass: 14.4 M⊕
Orbit: 149.61 days
Distance: 24.3358 pc

Planet profile

Orbit and physical properties

Orbital period: 149.61 days
Semi-major axis: 0.554 AU
Eccentricity: 0.19
Radius: 3.89 Earth radii
Mass: 14.4 Earth masses
Mass provenance: Msini
Density: 1.34 g/cm³
Equilibrium temperature: 337 K
Insolation: 3.16 Earth flux

Host system

Star and system properties

Host star: HD 42618
Stars in system: 1
Known planets in system: 1
Spectral type: G4 V
Stellar temperature: 5,727 K
Stellar radius: 0.999 R☉
Stellar mass: 1.015 M☉
Stellar metallicity: -0.09 dex
Stellar age: 3.72 Gyr
Distance: 24.3358 parsecs
Right ascension: 06h12m00.77s
Declination: +06d46m55.11s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-10
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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