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GJ 685 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 685 b

Confirmed exoplanet · Neptune Like

GJ 685 b

Orbiting GJ 685

Discovered in 2019 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of GJ 685 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Radial Velocity
Radius: 2.95 R⊕
Mass: 9 M⊕
Orbit: 24.16 days
Distance: 14.3155 pc

Planet profile

Orbit and physical properties

Orbital period: 24.16 days
Semi-major axis: 0.1344 AU
Eccentricity: 0
Radius: 2.95 Earth radii
Mass: 9 Earth masses
Mass provenance: Msini
Density: 1.93 g/cm³
Equilibrium temperature: 368.84 K
Insolation: 3.0917 Earth flux

Host system

Star and system properties

Host star: GJ 685
Stars in system: 1
Known planets in system: 1
Spectral type: M0.5
Stellar temperature: 3,816 K
Stellar radius: 0.54 R☉
Stellar mass: 0.55 M☉
Stellar metallicity: -0.15 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 14.3155 parsecs
Right ascension: 17h35m35.05s
Declination: +61d40m45.65s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,019
Publication date: 2019-05
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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