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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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ROXs 12 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/ROXs 12 b

Confirmed exoplanet · Gas Giant

ROXs 12 b

Orbiting ROXs 12

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 ROXs 12 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,013
Method: Imaging
Radius: 12.2 R⊕
Mass: 5,085 M⊕
Orbit: Not reported by the NASA Exoplanet Archive
Distance: 136.65 pc

Planet profile

Orbit and physical properties

Orbital period: Not reported by the NASA Exoplanet Archive
Semi-major axis: 210 AU
Eccentricity: 0.83
Radius: 12.2 Earth radii
Mass: 5,085 Earth masses
Mass provenance: Mass
Density: 15.4 g/cm³
Equilibrium temperature: 13.23 K
Insolation: 0 Earth flux

Host system

Star and system properties

Host star: ROXs 12
Stars in system: 2
Known planets in system: 1
Spectral type: M0
Stellar temperature: 3,850 K
Stellar radius: 1.06627 R☉
Stellar mass: 0.87 M☉
Stellar metallicity: 0.14 dex
Stellar age: 0.0076 Gyr
Distance: 136.65 parsecs
Right ascension: 16h26m28.03s
Declination: -25d26m48.10s

Discovery

Detection and provenance

Discovery method: Imaging
Discovery year: 2,013
Publication date: 2014-01
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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