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KELT-18 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/KELT-18 b

Confirmed exoplanet · Gas Giant

KELT-18 b

Orbiting KELT-18

Discovered in 2017 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-18 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit
Radius: 17.59813 R⊕
Mass: 375.0394 M⊕
Orbit: 2.871752 days
Distance: 321.376 pc

Planet profile

Orbit and physical properties

Orbital period: 2.871752 days
Semi-major axis: 0.0455 AU
Eccentricity: 0
Radius: 17.59813 Earth radii
Mass: 375.0394 Earth masses
Mass provenance: Mass
Density: 0.377 g/cm³
Equilibrium temperature: 2,085 K
Insolation: 3,152 Earth flux

Host system

Star and system properties

Host star: KELT-18
Stars in system: 2
Known planets in system: 1
Spectral type: F4 V
Stellar temperature: 6,670 K
Stellar radius: 1.908 R☉
Stellar mass: 1.524 M☉
Stellar metallicity: 0.09 dex
Stellar age: 1.9 Gyr
Distance: 321.376 parsecs
Right ascension: 14h26m05.72s
Declination: +59d26m39.38s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,017
Publication date: 2017-06
Discovery locale: Ground
Facility: KELT-North
Telescope: Mamiya 645 80mm f/1.9
Instrument: Apogee 4K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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