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KELT-8 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/KELT-8 b

Confirmed exoplanet · Gas Giant

KELT-8 b

Orbiting KELT-8

Discovered in 2015 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-8 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 18.15858 R⊕
Mass: 209.7678 M⊕
Orbit: 3.24406 days
Distance: 197.572 pc

Planet profile

Orbit and physical properties

Orbital period: 3.24406 days
Semi-major axis: 0.0455 AU
Eccentricity: 0.04
Radius: 18.15858 Earth radii
Mass: 209.7678 Earth masses
Mass provenance: Mass
Density: 0.167 g/cm³
Equilibrium temperature: 1,675 K
Insolation: 983.3098 Earth flux

Host system

Star and system properties

Host star: KELT-8
Stars in system: 1
Known planets in system: 1
Spectral type: G2 V
Stellar temperature: 5,754 K
Stellar radius: 1.46 R☉
Stellar mass: 0.81 M☉
Stellar metallicity: 0.27 dex
Stellar age: 5.4 Gyr
Distance: 197.572 parsecs
Right ascension: 18h53m13.31s
Declination: +24d07m38.09s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-09
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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