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TOI-4559 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4559 b

Confirmed exoplanet · Terrestrial

TOI-4559 b

Orbiting TOI-4559

Discovered in 2024 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of TOI-4559 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,024
Method: Transit
Radius: 1.415 R⊕
Mass: 2.59 M⊕
Orbit: 3.965991 days
Distance: 31.6354 pc

Planet profile

Orbit and physical properties

Orbital period: 3.965991 days
Semi-major axis: 0.0359 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.415 Earth radii
Mass: 2.59 Earth masses
Mass provenance: M-R relationship
Density: 5.02 g/cm³
Equilibrium temperature: 554.16 K
Insolation: 15.77 Earth flux

Host system

Star and system properties

Host star: TOI-4559
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 3,558 K
Stellar radius: 0.374 R☉
Stellar mass: 0.392 M☉
Stellar metallicity: -0.09 dex
Stellar age: 7 Gyr
Distance: 31.6354 parsecs
Right ascension: 14h04m03.25s
Declination: -30d00m50.85s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,024
Publication date: 2024-04
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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