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GJ 3222 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 3222 b

Confirmed exoplanet · Neptune Like

GJ 3222 b

Orbiting GJ 3222

Discovered in 2022 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of GJ 3222 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 3.4 R⊕
Mass: 11.441823 M⊕
Orbit: 10.66669 days
Distance: 18.23817 pc

Planet profile

Orbit and physical properties

Orbital period: 10.66669 days
Semi-major axis: 0.091 AU
Eccentricity: 0.929
Radius: 3.4 Earth radii
Mass: 11.441823 Earth masses
Mass provenance: Msini
Density: 1.6 g/cm³
Equilibrium temperature: 811.06 K
Insolation: 67.5954 Earth flux

Host system

Star and system properties

Host star: GJ 3222
Stars in system: 2
Known planets in system: 1
Spectral type: K0V
Stellar temperature: 5,257.46 K
Stellar radius: 0.931389 R☉
Stellar mass: 0.89 M☉
Stellar metallicity: 0.16 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 18.23817 parsecs
Right ascension: 03h23m35.34s
Declination: -40d04m34.44s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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