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GJ 3929 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 3929 b

Confirmed exoplanet · Terrestrial

GJ 3929 b

Orbiting GJ 3929

Discovered in 2022 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 3929 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Transit
Radius: 1.09 R⊕
Mass: 1.75 M⊕
Orbit: 2.616235 days
Distance: 15.8095 pc

Planet profile

Orbit and physical properties

Orbital period: 2.616235 days
Semi-major axis: 0.0252 AU
Eccentricity: 0
Radius: 1.09 Earth radii
Mass: 1.75 Earth masses
Mass provenance: Mass
Density: 7.3 g/cm³
Equilibrium temperature: 568 K
Insolation: 17.3 Earth flux

Host system

Star and system properties

Host star: GJ 3929
Stars in system: 1
Known planets in system: 2
Spectral type: M3.5 V
Stellar temperature: 3,384 K
Stellar radius: 0.32 R☉
Stellar mass: 0.313 M☉
Stellar metallicity: -0.02 dex
Stellar age: 7.1 Gyr
Distance: 15.8095 parsecs
Right ascension: 15h58m18.62s
Declination: +35d24m29.21s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,022
Publication date: 2022-03
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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