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TOI-2031 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-2031 A b

Confirmed exoplanet · Gas Giant

TOI-2031 A b

Orbiting TOI-2031 A

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-2031 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 14.201779 R⊕
Mass: 254.262726 M⊕
Orbit: 5.715487 days
Distance: 276.105 pc

Planet profile

Orbit and physical properties

Orbital period: 5.715487 days
Semi-major axis: 0.066 AU
Eccentricity: 0.076
Radius: 14.201779 Earth radii
Mass: 254.262726 Earth masses
Mass provenance: Mass
Density: 0.49 g/cm³
Equilibrium temperature: 1,358 K
Insolation: 567 Earth flux

Host system

Star and system properties

Host star: TOI-2031 A
Stars in system: 2
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,490 K
Stellar radius: 1.241 R☉
Stellar mass: 1.174 M☉
Stellar metallicity: -0.24 dex
Stellar age: 2 Gyr
Distance: 276.105 parsecs
Right ascension: 22h04m28.27s
Declination: +81d33m57.42s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-09
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-2031 A b.

Generic gas giant catalog artwork; not a direct image of TOI-2031 A b — Apex Andromeda catalog artwork

Community discussion

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