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HD 29985 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 29985 b

Confirmed exoplanet · Gas Giant

HD 29985 b

Orbiting HD 29985

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 29985 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,739.474872 M⊕
Orbit: 20,608.14049 days
Distance: 31.2707 pc

Planet profile

Orbit and physical properties

Orbital period: 20,608.14049 days
Semi-major axis: 13.39 AU
Eccentricity: 0.261
Radius: 12.8 Earth radii
Mass: 1,739.474872 Earth masses
Mass provenance: Mass
Density: 4.56 g/cm³
Equilibrium temperature: 46.73 K
Insolation: 0.0008 Earth flux

Host system

Star and system properties

Host star: HD 29985
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,678 K
Stellar radius: 0.574666 R☉
Stellar mass: 0.75 M☉
Stellar metallicity: -0.22 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 31.2707 parsecs
Right ascension: 04h42m05.20s
Declination: -33d55m15.85s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 29985 b.

Generic gas giant catalog artwork; not a direct image of HD 29985 b — Apex Andromeda catalog artwork