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HD 102272 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 102272 b

Confirmed exoplanet · Gas Giant

HD 102272 b

Orbiting HD 102272

Discovered in 2008 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 102272 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,008
Method: Radial Velocity
Radius: 12.9 R⊕
Mass: 1,570.0802 M⊕
Orbit: 127.58 days
Distance: 347.097 pc

Planet profile

Orbit and physical properties

Orbital period: 127.58 days
Semi-major axis: 0.51 AU
Eccentricity: 0.05
Radius: 12.9 Earth radii
Mass: 1,570.0802 Earth masses
Mass provenance: Msini
Density: 4.02 g/cm³
Equilibrium temperature: 1,038.01 K
Insolation: 176.4116 Earth flux

Host system

Star and system properties

Host star: HD 102272
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 4,790 K
Stellar radius: 10.3 R☉
Stellar mass: 1.45 M☉
Stellar metallicity: -0.41 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 347.097 parsecs
Right ascension: 11h46m23.53s
Declination: +14d07m26.47s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,008
Publication date: 2009-03
Discovery locale: Ground
Facility: McDonald Observatory
Telescope: 9.2 m Hobby-Eberly Telescope
Instrument: High Resolution Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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