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GJ 3473 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 3473 b

Confirmed exoplanet · Terrestrial

GJ 3473 b

Orbiting GJ 3473

Discovered in 2020 using Transit. 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 3473 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 1.264 R⊕
Mass: 1.86 M⊕
Orbit: 1.198004 days
Distance: 27.3644 pc

Planet profile

Orbit and physical properties

Orbital period: 1.198004 days
Semi-major axis: 0.01589 AU
Eccentricity: 0
Radius: 1.264 Earth radii
Mass: 1.86 Earth masses
Mass provenance: Mass
Density: 5.03 g/cm³
Equilibrium temperature: 773 K
Insolation: 59.4 Earth flux

Host system

Star and system properties

Host star: GJ 3473
Stars in system: 2
Known planets in system: 2
Spectral type: M4
Stellar temperature: 3,347 K
Stellar radius: 0.364 R☉
Stellar mass: 0.36 M☉
Stellar metallicity: 0.11 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 27.3644 parsecs
Right ascension: 08h02m22.47s
Declination: +03d20m13.79s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2020-10
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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