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TOI-198 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-198 b

Confirmed exoplanet · Terrestrial

TOI-198 b

Orbiting TOI-198

Discovered in 2023 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of TOI-198 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 1.36 R⊕
Mass: 3.17 M⊕
Orbit: 10.215213 days
Distance: 23.7262 pc

Planet profile

Orbit and physical properties

Orbital period: 10.215213 days
Semi-major axis: 0.0675 AU
Eccentricity: 0.15
Radius: 1.36 Earth radii
Mass: 3.17 Earth masses
Mass provenance: Mass
Density: 6.89 g/cm³
Equilibrium temperature: 456 K
Insolation: 7.2 Earth flux

Host system

Star and system properties

Host star: TOI-198
Stars in system: 1
Known planets in system: 1
Spectral type: M0 V
Stellar temperature: 3,801 K
Stellar radius: 0.418 R☉
Stellar mass: 0.417 M☉
Stellar metallicity: -0.66 dex
Stellar age: 1 Gyr
Distance: 23.7262 parsecs
Right ascension: 00h09m05.16s
Declination: -27d07m18.28s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,023
Publication date: 2023-03
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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