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TOI-3523 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-3523 A b

Confirmed exoplanet · Gas Giant

TOI-3523 A b

Orbiting TOI-3523 A

Discovered in 2025 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-3523 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 15.972798 R⊕
Mass: 435.424918 M⊕
Orbit: 2.30459 days
Distance: 645.294 pc

Planet profile

Orbit and physical properties

Orbital period: 2.30459 days
Semi-major axis: 0.03559 AU
Eccentricity: 0.047
Radius: 15.972798 Earth radii
Mass: 435.424918 Earth masses
Mass provenance: Mass
Density: 0.587 g/cm³
Equilibrium temperature: 1,984 K
Insolation: 2,590 Earth flux

Host system

Star and system properties

Host star: TOI-3523 A
Stars in system: 3
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,450 K
Stellar radius: 1.448 R☉
Stellar mass: 1.131 M☉
Stellar metallicity: -0.366 dex
Stellar age: 4.3 Gyr
Distance: 645.294 parsecs
Right ascension: 20h17m08.03s
Declination: +42d54m23.52s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-09
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 ↗

Visual archive

Gallery

One image from TOI-3523 A b.

Generic gas giant catalog artwork; not a direct image of TOI-3523 A b — Apex Andromeda catalog artwork