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HD 216437 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 216437 b

Confirmed exoplanet · Gas Giant

HD 216437 b

Orbiting HD 216437

Discovered in 2002 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 216437 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 13 R⊕
Mass: 1,334.879309 M⊕
Orbit: 1,359 days
Distance: 26.6902 pc

Planet profile

Orbit and physical properties

Orbital period: 1,359 days
Semi-major axis: 2.57 AU
Eccentricity: 0.31
Radius: 13 Earth radii
Mass: 1,334.879309 Earth masses
Mass provenance: Mass
Density: 3.34 g/cm³
Equilibrium temperature: 209.85 K
Insolation: 0.3389 Earth flux

Host system

Star and system properties

Host star: HD 216437
Stars in system: 1
Known planets in system: 1
Spectral type: G1 V
Stellar temperature: 5,909 K
Stellar radius: 1.394 R☉
Stellar mass: 1.22 M☉
Stellar metallicity: 0.2 dex
Stellar age: 4.9 Gyr
Distance: 26.6902 parsecs
Right ascension: 22h54m39.35s
Declination: -70d04m24.22s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2002-12
Discovery locale: Ground
Facility: Anglo-Australian Telescope
Telescope: 3.9 m Anglo-Australian Telescope
Instrument: UCLES Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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