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TOI-5300 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-5300 b

Confirmed exoplanet · Gas Giant

TOI-5300 b

Orbiting TOI-5300

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-5300 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 9.863903 R⊕
Mass: 190.697044 M⊕
Orbit: 2.262196 days
Distance: 162.51 pc

Planet profile

Orbit and physical properties

Orbital period: 2.262196 days
Semi-major axis: 0.0295 AU
Eccentricity: 0
Radius: 9.863903 Earth radii
Mass: 190.697044 Earth masses
Mass provenance: Mass
Density: 1.1 g/cm³
Equilibrium temperature: 1,043 K
Insolation: 198 Earth flux

Host system

Star and system properties

Host star: TOI-5300
Stars in system: 1
Known planets in system: 1
Spectral type: K4 V
Stellar temperature: 4,610 K
Stellar radius: 0.65 R☉
Stellar mass: 0.67 M☉
Stellar metallicity: -0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 162.51 parsecs
Right ascension: 23h45m55.47s
Declination: +00d27m31.67s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-08
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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