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TOI-5728 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-5728 b

Confirmed exoplanet · Terrestrial

TOI-5728 b

Orbiting TOI-5728

Discovered in 2025 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-5728 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 1.31 R⊕
Mass: 2.27 M⊕
Orbit: 11.49761 days
Distance: 54.7045 pc

Planet profile

Orbit and physical properties

Orbital period: 11.49761 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.31 Earth radii
Mass: 2.27 Earth masses
Mass provenance: M-R relationship
Density: 5.55 g/cm³
Equilibrium temperature: 382 K
Insolation: 3.512 Earth flux

Host system

Star and system properties

Host star: TOI-5728
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 3,419 K
Stellar radius: 0.37 R☉
Stellar mass: 0.36 M☉
Stellar metallicity: -0.12 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 54.7045 parsecs
Right ascension: 17h21m24.22s
Declination: +67d33m01.52s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2026-02
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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