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GJ 3293 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 3293 b

Confirmed exoplanet · Neptune Like

GJ 3293 b

Orbiting GJ 3293

Discovered in 2015 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 3293 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Radial Velocity
Radius: 5.19 R⊕
Mass: 23.54 M⊕
Orbit: 30.5987 days
Distance: 20.1903 pc

Planet profile

Orbit and physical properties

Orbital period: 30.5987 days
Semi-major axis: 0.14339 AU
Eccentricity: 0.06
Radius: 5.19 Earth radii
Mass: 23.54 Earth masses
Mass provenance: Msini
Density: 0.925 g/cm³
Equilibrium temperature: 280.54 K
Insolation: 1.07 Earth flux

Host system

Star and system properties

Host star: GJ 3293
Stars in system: 1
Known planets in system: 4
Spectral type: M2.5
Stellar temperature: 3,466 K
Stellar radius: 0.404 R☉
Stellar mass: 0.42 M☉
Stellar metallicity: 0.02 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 20.1903 parsecs
Right ascension: 04h28m35.63s
Declination: -25d10m16.82s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,015
Publication date: 2015-03
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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