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TOI-3457 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-3457 b

Confirmed exoplanet · Gas Giant

TOI-3457 b

Orbiting TOI-3457

Discovered in 2026 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-3457 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 10.64 R⊕
Mass: 797.749302 M⊕
Orbit: 32.600268 days
Distance: 370.666 pc

Planet profile

Orbit and physical properties

Orbital period: 32.600268 days
Semi-major axis: 0.2001 AU
Eccentricity: 0.59
Radius: 10.64 Earth radii
Mass: 797.749302 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 824.2 K
Insolation: 17.4858 Earth flux

Host system

Star and system properties

Host star: TOI-3457
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,300 K
Stellar radius: 1.474 R☉
Stellar mass: 1.04 M☉
Stellar metallicity: 0.28 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 370.666 parsecs
Right ascension: 12h12m49.98s
Declination: -79d45m25.94s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-07
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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