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GJ 393 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 393 b

Confirmed exoplanet · Terrestrial

GJ 393 b

Orbiting GJ 393

Discovered in 2021 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of GJ 393 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 1.17 R⊕
Mass: 1.71 M⊕
Orbit: 7.02679 days
Distance: 7.03149 pc

Planet profile

Orbit and physical properties

Orbital period: 7.02679 days
Semi-major axis: 0.05402 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.17 Earth radii
Mass: 1.71 Earth masses
Mass provenance: Msini
Density: 5.87 g/cm³
Equilibrium temperature: 485 K
Insolation: 9.21 Earth flux

Host system

Star and system properties

Host star: GJ 393
Stars in system: 1
Known planets in system: 1
Spectral type: M2.0 V
Stellar temperature: 3,579 K
Stellar radius: 0.426 R☉
Stellar mass: 0.426 M☉
Stellar metallicity: -0.09 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 7.03149 parsecs
Right ascension: 10h28m54.93s
Declination: +00d50m16.25s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-06
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from GJ 393 b.

Generic terrestrial catalog artwork; not a direct image of GJ 393 b — Apex Andromeda catalog artwork