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TOI-4427 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4427 b

Confirmed exoplanet · Gas Giant

TOI-4427 b

Orbiting TOI-4427

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-4427 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 13.092089 R⊕
Mass: 87.72064 M⊕
Orbit: 4.618262 days
Distance: 198.251 pc

Planet profile

Orbit and physical properties

Orbital period: 4.618262 days
Semi-major axis: 0.05389 AU
Eccentricity: 0.074
Radius: 13.092089 Earth radii
Mass: 87.72064 Earth masses
Mass provenance: Mass
Density: 0.214 g/cm³
Equilibrium temperature: 1,040 K
Insolation: 195 Earth flux

Host system

Star and system properties

Host star: TOI-4427
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,347 K
Stellar radius: 0.89 R☉
Stellar mass: 0.9 M☉
Stellar metallicity: 0.002 dex
Stellar age: 7.9 Gyr
Distance: 198.251 parsecs
Right ascension: 09h00m11.82s
Declination: +72d08m51.89s

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-4427 b.

Generic gas giant catalog artwork; not a direct image of TOI-4427 b — Apex Andromeda catalog artwork