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HD 180617 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 180617 b

Confirmed exoplanet · Neptune Like

HD 180617 b

Orbiting HD 180617

Discovered in 2018 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 180617 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 3.53 R⊕
Mass: 12.214 M⊕
Orbit: 105.911 days
Distance: 5.91059 pc

Planet profile

Orbit and physical properties

Orbital period: 105.911 days
Semi-major axis: 0.343 AU
Eccentricity: 0.101
Radius: 3.53 Earth radii
Mass: 12.214 Earth masses
Mass provenance: Msini
Density: 1.53 g/cm³
Equilibrium temperature: 201.8 K
Insolation: 0.2751 Earth flux

Host system

Star and system properties

Host star: HD 180617
Stars in system: 2
Known planets in system: 1
Spectral type: M2.5 V
Stellar temperature: 3,534 K
Stellar radius: 0.481 R☉
Stellar mass: 0.484 M☉
Stellar metallicity: -0.04 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 5.91059 parsecs
Right ascension: 19h16m54.66s
Declination: +05d09m47.38s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-10
Discovery locale: Ground
Facility: Calar Alto Observatory
Telescope: 3.5 m telescope
Instrument: CARMENES
NASA Exoplanet Archive: Open composite record ↗

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