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GJ 3512 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 3512 b

Confirmed exoplanet · Gas Giant

GJ 3512 b

Orbiting GJ 3512

Discovered in 2019 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of GJ 3512 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Radial Velocity
Radius: 14.3 R⊕
Mass: 146.518896 M⊕
Orbit: 203.109 days
Distance: 9.48637 pc

Planet profile

Orbit and physical properties

Orbital period: 203.109 days
Semi-major axis: 0.3376 AU
Eccentricity: 0.4279
Radius: 14.3 Earth radii
Mass: 146.518896 Earth masses
Mass provenance: Msini
Density: 0.275 g/cm³
Equilibrium temperature: 97.19 K
Insolation: 0.0138 Earth flux

Host system

Star and system properties

Host star: GJ 3512
Stars in system: 1
Known planets in system: 2
Spectral type: M5.5 V
Stellar temperature: 3,141 K
Stellar radius: 0.139 R☉
Stellar mass: 0.123 M☉
Stellar metallicity: -0.07 dex
Stellar age: 5.5 Gyr
Distance: 9.48637 parsecs
Right ascension: 08h41m19.60s
Declination: +59d29m30.61s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,019
Publication date: 2019-09
Discovery locale: Ground
Facility: Calar Alto Observatory
Telescope: 3.5 m telescope
Instrument: CARMENES
NASA Exoplanet Archive: Open composite record ↗

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