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HD 13808 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 13808 b

Confirmed exoplanet · Neptune Like

HD 13808 b

Orbiting HD 13808

Discovered in 2021 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 13808 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 3.35 R⊕
Mass: 11.2 M⊕
Orbit: 14.1815 days
Distance: 28.2305 pc

Planet profile

Orbit and physical properties

Orbital period: 14.1815 days
Semi-major axis: 0.10519 AU
Eccentricity: 0.071
Radius: 3.35 Earth radii
Mass: 11.2 Earth masses
Mass provenance: Msini
Density: 1.64 g/cm³
Equilibrium temperature: 661.56 K
Insolation: 33.2278 Earth flux

Host system

Star and system properties

Host star: HD 13808
Stars in system: 1
Known planets in system: 2
Spectral type: K2 V
Stellar temperature: 5,035 K
Stellar radius: 0.781 R☉
Stellar mass: 0.771 M☉
Stellar metallicity: -0.21 dex
Stellar age: 7.2 Gyr
Distance: 28.2305 parsecs
Right ascension: 02h12m42.74s
Declination: -53d44m37.53s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-05
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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