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TOI-4940 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4940 b

Confirmed exoplanet · Gas Giant

TOI-4940 b

Orbiting TOI-4940

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-4940 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 6.61 R⊕
Mass: 89 M⊕
Orbit: 25.867811 days
Distance: 345.659 pc

Planet profile

Orbit and physical properties

Orbital period: 25.867811 days
Semi-major axis: 0.165 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 6.61 Earth radii
Mass: 89 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 643 K
Insolation: 40.4612 Earth flux

Host system

Star and system properties

Host star: TOI-4940
Stars in system: 1
Known planets in system: 1
Spectral type: G8 V
Stellar temperature: 5,504 K
Stellar radius: 1.163 R☉
Stellar mass: 1.012 M☉
Stellar metallicity: 0.326 dex
Stellar age: 9.8 Gyr
Distance: 345.659 parsecs
Right ascension: 03h53m00.28s
Declination: -62d24m28.69s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2026-04
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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