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HD 10442 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 10442 b

Confirmed exoplanet · Gas Giant

HD 10442 b

Orbiting HD 10442

Discovered in 2014 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 10442 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 472.61321 M⊕
Orbit: 1,032.3 days
Distance: 135.374 pc

Planet profile

Orbit and physical properties

Orbital period: 1,032.3 days
Semi-major axis: 2.01 AU
Eccentricity: 0.132
Radius: 13.6 Earth radii
Mass: 472.61321 Earth masses
Mass provenance: Msini
Density: 1.03 g/cm³
Equilibrium temperature: 234.49 K
Insolation: 0.5054 Earth flux

Host system

Star and system properties

Host star: HD 10442
Stars in system: 1
Known planets in system: 1
Spectral type: K0 IV
Stellar temperature: 4,912 K
Stellar radius: 1.97 R☉
Stellar mass: 1.01 M☉
Stellar metallicity: 0.11 dex
Stellar age: 10.65 Gyr
Distance: 135.374 parsecs
Right ascension: 01h41m53.17s
Declination: +02d42m15.91s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,014
Publication date: 2015-01
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 10442 b.

Generic gas giant catalog artwork; not a direct image of HD 10442 b — Apex Andromeda catalog artwork