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TOI-791 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-791 b

Confirmed exoplanet · Gas Giant

TOI-791 b

Orbiting TOI-791

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-791 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 11.130518 R⊕
Mass: 9.5 M⊕
Orbit: 139.29931 days
Distance: 341.221 pc

Planet profile

Orbit and physical properties

Orbital period: 139.29931 days
Semi-major axis: 0.602 AU
Eccentricity: 0.032
Radius: 11.130518 Earth radii
Mass: 9.5 Earth masses
Mass provenance: Mass
Density: 0.037 g/cm³
Equilibrium temperature: 434.3 K
Insolation: 8.47 Earth flux

Host system

Star and system properties

Host star: TOI-791
Stars in system: 1
Known planets in system: 2
Spectral type: F7
Stellar temperature: 6,294 K
Stellar radius: 1.474 R☉
Stellar mass: 1.28 M☉
Stellar metallicity: -0.14 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 341.221 parsecs
Right ascension: 07h53m44.34s
Declination: -69d42m06.25s

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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