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HD 156668 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 156668 c

Confirmed exoplanet · Gas Giant

HD 156668 c

Orbiting HD 156668

Discovered in 2021 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 156668 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 6.17 R⊕
Mass: 31.496795 M⊕
Orbit: 811.3 days
Distance: 24.3323 pc

Planet profile

Orbit and physical properties

Orbital period: 811.3 days
Semi-major axis: 1.57 AU
Eccentricity: 0.089
Radius: 6.17 Earth radii
Mass: 31.496795 Earth masses
Mass provenance: Msini
Density: 0.737 g/cm³
Equilibrium temperature: 166.08 K
Insolation: 0.1169 Earth flux

Host system

Star and system properties

Host star: HD 156668
Stars in system: 1
Known planets in system: 2
Spectral type: K2
Stellar temperature: 4,903.69 K
Stellar radius: 0.774528 R☉
Stellar mass: 0.785167 M☉
Stellar metallicity: 0.0493 dex
Stellar age: 8.6 Gyr
Distance: 24.3323 parsecs
Right ascension: 17h17m40.40s
Declination: +29d13m41.38s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-07
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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