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TOI-4458 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4458 b

Confirmed exoplanet · Gas Giant

TOI-4458 b

Orbiting TOI-4458

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-4458 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 12.408342 R⊕
Mass: 552.067943 M⊕
Orbit: 3.939379 days
Distance: 505.432 pc

Planet profile

Orbit and physical properties

Orbital period: 3.939379 days
Semi-major axis: 0.0522 AU
Eccentricity: 0.03
Radius: 12.408342 Earth radii
Mass: 552.067943 Earth masses
Mass provenance: Mass
Density: 1.59 g/cm³
Equilibrium temperature: 1,759 K
Insolation: 1,595 Earth flux

Host system

Star and system properties

Host star: TOI-4458
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,151 K
Stellar radius: 1.96 R☉
Stellar mass: 1.47 M☉
Stellar metallicity: 0.17 dex
Stellar age: 2.8 Gyr
Distance: 505.432 parsecs
Right ascension: 16h48m30.24s
Declination: +74d45m49.50s

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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