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TOI-2040 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-2040 b

Confirmed exoplanet · Gas Giant

TOI-2040 b

Orbiting TOI-2040

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-2040 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 10.323471 R⊕
Mass: 248.223986 M⊕
Orbit: 3.860858 days
Distance: 144.717 pc

Planet profile

Orbit and physical properties

Orbital period: 3.860858 days
Semi-major axis: 0.0473 AU
Eccentricity: 0.109
Radius: 10.323471 Earth radii
Mass: 248.223986 Earth masses
Mass provenance: Mass
Density: 1.24 g/cm³
Equilibrium temperature: 1,070 K
Insolation: 216 Earth flux

Host system

Star and system properties

Host star: TOI-2040
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,132 K
Stellar radius: 0.87 R☉
Stellar mass: 0.92 M☉
Stellar metallicity: 0.3 dex
Stellar age: 8.7 Gyr
Distance: 144.717 parsecs
Right ascension: 23h29m05.94s
Declination: +71d30m23.31s

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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