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TOI-238 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-238 b

Confirmed exoplanet · Super Earth

TOI-238 b

Orbiting TOI-238

Discovered in 2024 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of TOI-238 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,024
Method: Transit
Radius: 1.559 R⊕
Mass: 3.37 M⊕
Orbit: 1.273099 days
Distance: 80.5407 pc

Planet profile

Orbit and physical properties

Orbital period: 1.273099 days
Semi-major axis: 0.0212 AU
Eccentricity: 0.18
Radius: 1.559 Earth radii
Mass: 3.37 Earth masses
Mass provenance: Mass
Density: 6.8 g/cm³
Equilibrium temperature: 1,378 K
Insolation: 753.1 Earth flux

Host system

Star and system properties

Host star: TOI-238
Stars in system: 1
Known planets in system: 2
Spectral type: K2 V
Stellar temperature: 5,059 K
Stellar radius: 0.756 R☉
Stellar mass: 0.781 M☉
Stellar metallicity: -0.114 dex
Stellar age: 7.9 Gyr
Distance: 80.5407 parsecs
Right ascension: 23h16m55.46s
Declination: -18d36m23.93s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,024
Publication date: 2024-05
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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