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HD 16417 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 16417 b

Confirmed exoplanet · Neptune Like

HD 16417 b

Orbiting HD 16417

Discovered in 2008 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 16417 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,008
Method: Radial Velocity
Radius: 5 R⊕
Mass: 22.1 M⊕
Orbit: 17.24 days
Distance: 25.3936 pc

Planet profile

Orbit and physical properties

Orbital period: 17.24 days
Semi-major axis: 0.14 AU
Eccentricity: 0.2
Radius: 5 Earth radii
Mass: 22.1 Earth masses
Mass provenance: Msini
Density: 0.972 g/cm³
Equilibrium temperature: 964 K
Insolation: 141.5514 Earth flux

Host system

Star and system properties

Host star: HD 16417
Stars in system: 2
Known planets in system: 1
Spectral type: G1 V
Stellar temperature: 5,841 K
Stellar radius: 1.639984 R☉
Stellar mass: 1.2 M☉
Stellar metallicity: 0.06 dex
Stellar age: 7 Gyr
Distance: 25.3936 parsecs
Right ascension: 02h36m58.58s
Declination: -34d34m44.73s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,008
Publication date: 2009-06
Discovery locale: Ground
Facility: Anglo-Australian Telescope
Telescope: 3.9 m Anglo-Australian Telescope
Instrument: UCLES Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 16417 b.

Generic neptune like catalog artwork; not a direct image of HD 16417 b — Apex Andromeda catalog artwork