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HD 142 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 142 b

Confirmed exoplanet · Gas Giant

HD 142 b

Orbiting HD 142

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 142 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,001
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,256.58169 M⊕
Orbit: 351.43394 days
Distance: 26.1853 pc

Planet profile

Orbit and physical properties

Orbital period: 351.43394 days
Semi-major axis: 1.039 AU
Eccentricity: 0.158
Radius: 12.7 Earth radii
Mass: 2,256.58169 Earth masses
Mass provenance: Mass
Density: 6.05 g/cm³
Equilibrium temperature: 358.19 K
Insolation: 2.7603 Earth flux

Host system

Star and system properties

Host star: HD 142
Stars in system: 2
Known planets in system: 3
Spectral type: F7V
Stellar temperature: 6,245 K
Stellar radius: 1.47 R☉
Stellar mass: 1.21 M☉
Stellar metallicity: 0.09 dex
Stellar age: 3.12 Gyr
Distance: 26.1853 parsecs
Right ascension: 00h06m20.08s
Declination: -49d04m31.30s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,001
Publication date: 2002-05
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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