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TOI-3288 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-3288 b

Confirmed exoplanet · Gas Giant

TOI-3288 b

Orbiting TOI-3288

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-3288 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 12.240207 R⊕
Mass: 536.176523 M⊕
Orbit: 1.433865 days
Distance: 200.5 pc

Planet profile

Orbit and physical properties

Orbital period: 1.433865 days
Semi-major axis: 0.02285 AU
Eccentricity: 0.021
Radius: 12.240207 Earth radii
Mass: 536.176523 Earth masses
Mass provenance: Mass
Density: 1.6 g/cm³
Equilibrium temperature: 973 K
Insolation: 213.8 Earth flux

Host system

Star and system properties

Host star: TOI-3288
Stars in system: 2
Known planets in system: 1
Spectral type: M0±0.5
Stellar temperature: 4,072 K
Stellar radius: 0.672 R☉
Stellar mass: 0.643 M☉
Stellar metallicity: 0.65 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 200.5 parsecs
Right ascension: 19h48m26.48s
Declination: -43d01m04.80s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2026-03
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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