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XO-2 N b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/XO-2 N b

Confirmed exoplanet · Gas Giant

XO-2 N b

Orbiting XO-2 N

Discovered in 2007 using Transit. 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 XO-2 N b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Transit
Radius: 11.130537 R⊕
Mass: 199.91507 M⊕
Orbit: 2.615859 days
Distance: 154.273 pc

Planet profile

Orbit and physical properties

Orbital period: 2.615859 days
Semi-major axis: 0.03666 AU
Eccentricity: 0
Radius: 11.130537 Earth radii
Mass: 199.91507 Earth masses
Mass provenance: Mass
Density: 0.715 g/cm³
Equilibrium temperature: 1,328 K
Insolation: 428.036 Earth flux

Host system

Star and system properties

Host star: XO-2 N
Stars in system: 2
Known planets in system: 4
Spectral type: G8 V
Stellar temperature: 5,290 K
Stellar radius: 0.998 R☉
Stellar mass: 0.96 M☉
Stellar metallicity: 0.37 dex
Stellar age: 7.8 Gyr
Distance: 154.273 parsecs
Right ascension: 07h48m06.42s
Declination: +50d13m30.53s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,007
Publication date: 2007-12
Discovery locale: Ground
Facility: XO
Telescope: Canon 200mm f/1.8L
Instrument: Apogee CCD Array
NASA Exoplanet Archive: Open composite record ↗

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