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

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XO-2 S c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/XO-2 S c

Confirmed exoplanet · Gas Giant

XO-2 S c

Orbiting XO-2 S

Discovered in 2014 using Radial Velocity. 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 S c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 438.603202 M⊕
Orbit: 120.059 days
Distance: 151.398 pc

Planet profile

Orbit and physical properties

Orbital period: 120.059 days
Semi-major axis: 0.4737 AU
Eccentricity: 0.149
Radius: 13.6 Earth radii
Mass: 438.603202 Earth masses
Mass provenance: Msini
Density: 0.958 g/cm³
Equilibrium temperature: 376.79 K
Insolation: 3.3572 Earth flux

Host system

Star and system properties

Host star: XO-2 S
Stars in system: 2
Known planets in system: 4
Spectral type: G8 V
Stellar temperature: 5,325 K
Stellar radius: 1.02 R☉
Stellar mass: 0.98 M☉
Stellar metallicity: 0.32 dex
Stellar age: 7.1 Gyr
Distance: 151.398 parsecs
Right ascension: 07h48m07.43s
Declination: +50d13m00.86s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,014
Publication date: 2014-07
Discovery locale: Ground
Facility: Roque de los Muchachos Observatory
Telescope: 3.58 m Telescopio Nazionale Galileo
Instrument: HARPS-N Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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