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GJ 896 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 896 A b

Confirmed exoplanet · Gas Giant

GJ 896 A b

Orbiting GJ 896 A

Discovered in 2022 using Astrometry. 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 896 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Astrometry
Radius: 13.3 R⊕
Mass: 718.2922 M⊕
Orbit: 284.39 days
Distance: 6.26022 pc

Planet profile

Orbit and physical properties

Orbital period: 284.39 days
Semi-major axis: 0.63965 AU
Eccentricity: 0.35
Radius: 13.3 Earth radii
Mass: 718.2922 Earth masses
Mass provenance: Mass
Density: 1.68 g/cm³
Equilibrium temperature: 126.7 K
Insolation: 0.0429 Earth flux

Host system

Star and system properties

Host star: GJ 896 A
Stars in system: 2
Known planets in system: 1
Spectral type: M3.5 V
Stellar temperature: 3,345 K
Stellar radius: 0.394682 R☉
Stellar mass: 0.43599 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 6.26022 parsecs
Right ascension: 23h31m52.81s
Declination: +19d56m13.20s

Discovery

Detection and provenance

Discovery method: Astrometry
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Very Long Baseline Array
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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