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HD 21411 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 21411 b

Confirmed exoplanet · Gas Giant

HD 21411 b

Orbiting HD 21411

Discovered in 2019 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 21411 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Radial Velocity
Radius: 9.52 R⊕
Mass: 65.9 M⊕
Orbit: 84.288 days
Distance: 29.1328 pc

Planet profile

Orbit and physical properties

Orbital period: 84.288 days
Semi-major axis: 0.362 AU
Eccentricity: 0.4
Radius: 9.52 Earth radii
Mass: 65.9 Earth masses
Mass provenance: Msini
Density: 0.42 g/cm³
Equilibrium temperature: 408.17 K
Insolation: 4.1365 Earth flux

Host system

Star and system properties

Host star: HD 21411
Stars in system: 1
Known planets in system: 1
Spectral type: G8 V
Stellar temperature: 5,605 K
Stellar radius: 0.825605 R☉
Stellar mass: 0.89 M☉
Stellar metallicity: -0.265 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 29.1328 parsecs
Right ascension: 03h26m11.38s
Declination: -30d37m00.63s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,019
Publication date: 2019-06
Discovery locale: Ground
Facility: Las Campanas Observatory
Telescope: 6.5 m Magellan II Clay Telescope
Instrument: Carnegie Planet Finder Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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