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HD 212301 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 212301 b

Confirmed exoplanet · Gas Giant

HD 212301 b

Orbiting HD 212301

Discovered in 2005 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 212301 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,005
Method: Radial Velocity
Radius: 14.2 R⊕
Mass: 162.0933 M⊕
Orbit: 2.24571 days
Distance: 54.2304 pc

Planet profile

Orbit and physical properties

Orbital period: 2.24571 days
Semi-major axis: 0.03 AU
Eccentricity: 0
Radius: 14.2 Earth radii
Mass: 162.0933 Earth masses
Mass provenance: Msini
Density: 0.311 g/cm³
Equilibrium temperature: 1,870.75 K
Insolation: 1,944.4444 Earth flux

Host system

Star and system properties

Host star: HD 212301
Stars in system: 2
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,239 K
Stellar radius: 1.16 R☉
Stellar mass: 1.55 M☉
Stellar metallicity: 0.18 dex
Stellar age: 1 Gyr
Distance: 54.2304 parsecs
Right ascension: 22h27m31.29s
Declination: -77d43m05.96s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,005
Publication date: 2006-05
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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