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NGTS-18 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/NGTS-18 b

Confirmed exoplanet · Gas Giant

NGTS-18 b

Orbiting NGTS-18

Discovered in 2021 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 NGTS-18 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 13.562867 R⊕
Mass: 129.991818 M⊕
Orbit: 3.05125 days
Distance: 1,096.19 pc

Planet profile

Orbit and physical properties

Orbital period: 3.05125 days
Semi-major axis: 0.0448 AU
Eccentricity: 0
Radius: 13.562867 Earth radii
Mass: 129.991818 Earth masses
Mass provenance: Mass
Density: 0.28 g/cm³
Equilibrium temperature: 1,381 K
Insolation: 845 Earth flux

Host system

Star and system properties

Host star: NGTS-18
Stars in system: 1
Known planets in system: 1
Spectral type: G5 V
Stellar temperature: 5,610 K
Stellar radius: 1.392 R☉
Stellar mass: 1.003 M☉
Stellar metallicity: 0.15 dex
Stellar age: 10.84 Gyr
Distance: 1,096.19 parsecs
Right ascension: 12h02m11.09s
Declination: -35d32m54.99s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2021-07
Discovery locale: Ground
Facility: Next-Generation Transit Survey (NGTS)
Telescope: 20 cm NGTS telescope
Instrument: NGTS CCD array
NASA Exoplanet Archive: Open composite record ↗

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