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TOI-4551 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4551 b

Confirmed exoplanet · Gas Giant

TOI-4551 b

Orbiting TOI-4551

Discovered in 2023 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-4551 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 11.859102 R⊕
Mass: 473.564326 M⊕
Orbit: 9.95581 days
Distance: 215.986 pc

Planet profile

Orbit and physical properties

Orbital period: 9.95581 days
Semi-major axis: 0.0994 AU
Eccentricity: 0.101
Radius: 11.859102 Earth radii
Mass: 473.564326 Earth masses
Mass provenance: Mass
Density: 1.74 g/cm³
Equilibrium temperature: 1,655 K
Insolation: 1,247.74 Earth flux

Host system

Star and system properties

Host star: TOI-4551
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,896 K
Stellar radius: 3.55 R☉
Stellar mass: 1.31 M☉
Stellar metallicity: 0.23 dex
Stellar age: 4.92 Gyr
Distance: 215.986 parsecs
Right ascension: 12h19m54.90s
Declination: -25d49m40.27s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,023
Publication date: 2024-01
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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