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TOI-2578 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-2578 b

Confirmed exoplanet · Gas Giant

TOI-2578 b

Orbiting TOI-2578

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-2578 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 19.660552 R⊕
Mass: 167.177742 M⊕
Orbit: 3.457967 days
Distance: 285.53 pc

Planet profile

Orbit and physical properties

Orbital period: 3.457967 days
Semi-major axis: 0.0495 AU
Eccentricity: 0.098
Radius: 19.660552 Earth radii
Mass: 167.177742 Earth masses
Mass provenance: Mass
Density: 0.121 g/cm³
Equilibrium temperature: 1,778 K
Insolation: 1,667 Earth flux

Host system

Star and system properties

Host star: TOI-2578
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,333 K
Stellar radius: 1.64 R☉
Stellar mass: 1.27 M☉
Stellar metallicity: 0.01 dex
Stellar age: 5.6 Gyr
Distance: 285.53 parsecs
Right ascension: 04h32m12.50s
Declination: +52d15m09.56s

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 ↗

Visual archive

Gallery

One image from TOI-2578 b.

Generic gas giant catalog artwork; not a direct image of TOI-2578 b — Apex Andromeda catalog artwork