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2MASS J01225093-2439505 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/2MASS J01225093-2439505 b

Confirmed exoplanet · Gas Giant

2MASS J01225093-2439505 b

Orbiting 2MASS J01225093-2439505

Discovered in 2013 using Imaging. 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 2MASS J01225093-2439505 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,013
Method: Imaging
Radius: 11.209 R⊕
Mass: 7,786.5 M⊕
Orbit: Not reported by the NASA Exoplanet Archive
Distance: 33.8281 pc

Planet profile

Orbit and physical properties

Orbital period: Not reported by the NASA Exoplanet Archive
Semi-major axis: 52 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 11.209 Earth radii
Mass: 7,786.5 Earth masses
Mass provenance: Mass
Density: 30.4 g/cm³
Equilibrium temperature: 1,600 K
Insolation: 0 Earth flux

Host system

Star and system properties

Host star: 2MASS J01225093-2439505
Stars in system: 1
Known planets in system: 1
Spectral type: M3.5 V
Stellar temperature: 3,530 K
Stellar radius: 0.36645 R☉
Stellar mass: 0.4 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: 0.12 Gyr
Distance: 33.8281 parsecs
Right ascension: 01h22m51.07s
Declination: -24d39m52.61s

Discovery

Detection and provenance

Discovery method: Imaging
Discovery year: 2,013
Publication date: 2013-09
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck II Telescope
Instrument: NIRC2 Camera
NASA Exoplanet Archive: Open composite record ↗

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