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NGTS-8 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/NGTS-8 b

Confirmed exoplanet · Gas Giant

NGTS-8 b

Orbiting NGTS-8

Discovered in 2019 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-8 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 12.21781 R⊕
Mass: 295.5819 M⊕
Orbit: 2.4997 days
Distance: 428.976 pc

Planet profile

Orbit and physical properties

Orbital period: 2.4997 days
Semi-major axis: 0.035 AU
Eccentricity: 0.01
Radius: 12.21781 Earth radii
Mass: 295.5819 Earth masses
Mass provenance: Mass
Density: 0.89 g/cm³
Equilibrium temperature: 1,345 K
Insolation: 503 Earth flux

Host system

Star and system properties

Host star: NGTS-8
Stars in system: 1
Known planets in system: 1
Spectral type: K0 V
Stellar temperature: 5,241 K
Stellar radius: 0.98 R☉
Stellar mass: 0.89 M☉
Stellar metallicity: 0.24 dex
Stellar age: 12.48 Gyr
Distance: 428.976 parsecs
Right ascension: 21h55m54.22s
Declination: -14d04m06.38s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2020-01
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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