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TOI-157 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-157 b

Confirmed exoplanet · Gas Giant

TOI-157 b

Orbiting TOI-157

Discovered in 2020 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-157 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 14.414774 R⊕
Mass: 375.0394 M⊕
Orbit: 2.084544 days
Distance: 355.683 pc

Planet profile

Orbit and physical properties

Orbital period: 2.084544 days
Semi-major axis: 0.03138 AU
Eccentricity: 0
Radius: 14.414774 Earth radii
Mass: 375.0394 Earth masses
Mass provenance: Mass
Density: 0.686 g/cm³
Equilibrium temperature: 1,588 K
Insolation: 1,062 Earth flux

Host system

Star and system properties

Host star: TOI-157
Stars in system: 1
Known planets in system: 1
Spectral type: G9 IV
Stellar temperature: 5,404 K
Stellar radius: 1.167 R☉
Stellar mass: 0.948 M☉
Stellar metallicity: 0.24 dex
Stellar age: 12.82 Gyr
Distance: 355.683 parsecs
Right ascension: 04h54m48.35s
Declination: -76d40m50.18s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2020-07
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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