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HD 213240 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 213240 b

Confirmed exoplanet · Gas Giant

HD 213240 b

Orbiting HD 213240

Discovered in 2001 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 213240 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,001
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,655.886 M⊕
Orbit: 882.70001 days
Distance: 40.8707 pc

Planet profile

Orbit and physical properties

Orbital period: 882.70001 days
Semi-major axis: 1.89 AU
Eccentricity: 0.42
Radius: 12.8 Earth radii
Mass: 1,655.886 Earth masses
Mass provenance: Mass
Density: 4.34 g/cm³
Equilibrium temperature: 257.7 K
Insolation: 0.7524 Earth flux

Host system

Star and system properties

Host star: HD 213240
Stars in system: 2
Known planets in system: 1
Spectral type: G0/1 V
Stellar temperature: 5,979 K
Stellar radius: 1.51 R☉
Stellar mass: 1.57 M☉
Stellar metallicity: 0.15 dex
Stellar age: 4.6 Gyr
Distance: 40.8707 parsecs
Right ascension: 22h31m00.15s
Declination: -49d26m02.77s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,001
Publication date: 2001-12
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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