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KELT-2 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/KELT-2 A b

Confirmed exoplanet · Gas Giant

KELT-2 A b

Orbiting KELT-2 A

Discovered in 2012 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 KELT-2 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,012
Method: Transit
Radius: 15.13215 R⊕
Mass: 540.311 M⊕
Orbit: 4.11379 days
Distance: 134.058 pc

Planet profile

Orbit and physical properties

Orbital period: 4.11379 days
Semi-major axis: 0.05497 AU
Eccentricity: 0
Radius: 15.13215 Earth radii
Mass: 540.311 Earth masses
Mass provenance: Mass
Density: 0.91 g/cm³
Equilibrium temperature: 2,080 K
Insolation: 3,108.45 Earth flux

Host system

Star and system properties

Host star: KELT-2 A
Stars in system: 2
Known planets in system: 1
Spectral type: F8
Stellar temperature: 6,327 K
Stellar radius: 1.93 R☉
Stellar mass: 1.54 M☉
Stellar metallicity: 0 dex
Stellar age: 3.97 Gyr
Distance: 134.058 parsecs
Right ascension: 06h10m39.37s
Declination: +30d57m25.68s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,012
Publication date: 2012-09
Discovery locale: Ground
Facility: KELT
Telescope: Mamiya 645 80mm f/1.9
Instrument: Apogee 4K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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