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HD 29399 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 29399 b

Confirmed exoplanet · Gas Giant

HD 29399 b

Orbiting HD 29399

Discovered in 2022 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 29399 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 498.990599 M⊕
Orbit: 892.7 days
Distance: 44.1518 pc

Planet profile

Orbit and physical properties

Orbital period: 892.7 days
Semi-major axis: 1.913 AU
Eccentricity: 0.05
Radius: 13.5 Earth radii
Mass: 498.990599 Earth masses
Mass provenance: Msini
Density: 1.11 g/cm³
Equilibrium temperature: 358.32 K
Insolation: 2.7435 Earth flux

Host system

Star and system properties

Host star: HD 29399
Stars in system: 1
Known planets in system: 1
Spectral type: K1 III
Stellar temperature: 4,845 K
Stellar radius: 4.5 R☉
Stellar mass: 1.17 M☉
Stellar metallicity: 0.14 dex
Stellar age: 6.2 Gyr
Distance: 44.1518 parsecs
Right ascension: 04h33m33.68s
Declination: -62d49m25.53s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-01
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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