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TOI-1238 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1238 b

Confirmed exoplanet · Terrestrial

TOI-1238 b

Orbiting TOI-1238

Discovered in 2022 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-1238 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Transit
Radius: 1.21 R⊕
Mass: 3.76 M⊕
Orbit: 0.764597 days
Distance: 70.7145 pc

Planet profile

Orbit and physical properties

Orbital period: 0.764597 days
Semi-major axis: 0.0139 AU
Eccentricity: 0.25
Radius: 1.21 Earth radii
Mass: 3.76 Earth masses
Mass provenance: Mass
Density: 11.7 g/cm³
Equilibrium temperature: 1,133 K
Insolation: 442 Earth flux

Host system

Star and system properties

Host star: TOI-1238
Stars in system: 1
Known planets in system: 2
Spectral type: K7/M0
Stellar temperature: 4,089 K
Stellar radius: 0.58 R☉
Stellar mass: 0.59 M☉
Stellar metallicity: 0.31 dex
Stellar age: 0.8 Gyr
Distance: 70.7145 parsecs
Right ascension: 13h25m31.76s
Declination: +68d50m09.84s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,022
Publication date: 2022-02
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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