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GJ 674 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 674 b

Confirmed exoplanet · Neptune Like

GJ 674 b

Orbiting GJ 674

Discovered in 2007 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 674 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 3.33 R⊕
Mass: 11.09 M⊕
Orbit: 4.6938 days
Distance: 4.54896 pc

Planet profile

Orbit and physical properties

Orbital period: 4.6938 days
Semi-major axis: 0.039 AU
Eccentricity: 0.2
Radius: 3.33 Earth radii
Mass: 11.09 Earth masses
Mass provenance: Msini
Density: 1.65 g/cm³
Equilibrium temperature: 530.8 K
Insolation: 10.5165 Earth flux

Host system

Star and system properties

Host star: GJ 674
Stars in system: 1
Known planets in system: 1
Spectral type: M2.5
Stellar temperature: 3,600 K
Stellar radius: 0.36463 R☉
Stellar mass: 0.35 M☉
Stellar metallicity: -0.28 dex
Stellar age: 0.55 Gyr
Distance: 4.54896 parsecs
Right ascension: 17h28m40.81s
Declination: -46d53m56.34s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2007-10
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from GJ 674 b.

Generic neptune like catalog artwork; not a direct image of GJ 674 b — Apex Andromeda catalog artwork