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TOI-199 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-199 b

Confirmed exoplanet · Gas Giant

TOI-199 b

Orbiting TOI-199

Discovered in 2023 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 TOI-199 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 9.079274 R⊕
Mass: 54.030829 M⊕
Orbit: 104.854 days
Distance: 102.27 pc

Planet profile

Orbit and physical properties

Orbital period: 104.854 days
Semi-major axis: 0.4254 AU
Eccentricity: 0.09
Radius: 9.079274 Earth radii
Mass: 54.030829 Earth masses
Mass provenance: Mass
Density: 0.397 g/cm³
Equilibrium temperature: 325 K
Insolation: 8.5419 Earth flux

Host system

Star and system properties

Host star: TOI-199
Stars in system: 1
Known planets in system: 2
Spectral type: G9 V
Stellar temperature: 5,255 K
Stellar radius: 0.82 R☉
Stellar mass: 0.936 M☉
Stellar metallicity: 0.22 dex
Stellar age: 0.8 Gyr
Distance: 102.27 parsecs
Right ascension: 05h20m25.41s
Declination: -59d53m43.56s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,023
Publication date: 2023-11
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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