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GJ 15 A c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 15 A c

Confirmed exoplanet · Gas Giant

GJ 15 A c

Orbiting GJ 15 A

Discovered in 2018 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 GJ 15 A c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 6.67 R⊕
Mass: 36 M⊕
Orbit: 7,600 days
Distance: 3.56228 pc

Planet profile

Orbit and physical properties

Orbital period: 7,600 days
Semi-major axis: 5.4 AU
Eccentricity: 0.27
Radius: 6.67 Earth radii
Mass: 36 Earth masses
Mass provenance: Msini
Density: 0.667 g/cm³
Equilibrium temperature: 46.14 K
Insolation: 0.0008 Earth flux

Host system

Star and system properties

Host star: GJ 15 A
Stars in system: 2
Known planets in system: 2
Spectral type: M1
Stellar temperature: 3,607 K
Stellar radius: 0.38 R☉
Stellar mass: 0.38 M☉
Stellar metallicity: -0.34 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 3.56228 parsecs
Right ascension: 00h18m27.04s
Declination: +44d01m29.03s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-09
Discovery locale: Ground
Facility: Roque de los Muchachos Observatory
Telescope: 3.58 m Telescopio Nazionale Galileo
Instrument: HARPS-N Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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