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HD 12661 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 12661 c

Confirmed exoplanet · Gas Giant

HD 12661 c

Orbiting HD 12661

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 12661 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 899.454392 M⊕
Orbit: 1,708 days
Distance: 37.8478 pc

Planet profile

Orbit and physical properties

Orbital period: 1,708 days
Semi-major axis: 2.8145 AU
Eccentricity: 0.031
Radius: 13.2 Earth radii
Mass: 899.454392 Earth masses
Mass provenance: Mass
Density: 2.15 g/cm³
Equilibrium temperature: 174.06 K
Insolation: 0.1459 Earth flux

Host system

Star and system properties

Host star: HD 12661
Stars in system: 1
Known planets in system: 2
Spectral type: K0
Stellar temperature: 5,748 K
Stellar radius: 1.11 R☉
Stellar mass: 1.02 M☉
Stellar metallicity: 0.36 dex
Stellar age: 6.39 Gyr
Distance: 37.8478 parsecs
Right ascension: 02h04m34.16s
Declination: +25d24m48.83s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2003-04
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 12661 c.

Generic gas giant catalog artwork; not a direct image of HD 12661 c — Apex Andromeda catalog artwork