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TOI-4552 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4552 b

Confirmed exoplanet · Terrestrial

TOI-4552 b

Orbiting TOI-4552

Discovered in 2026 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-4552 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 1.11 R⊕
Mass: 1.83 M⊕
Orbit: 0.3011 days
Distance: 27.2684 pc

Planet profile

Orbit and physical properties

Orbital period: 0.3011 days
Semi-major axis: 0.005626 AU
Eccentricity: 0
Radius: 1.11 Earth radii
Mass: 1.83 Earth masses
Mass provenance: Mass
Density: 7.74 g/cm³
Equilibrium temperature: 1,122 K
Insolation: 263 Earth flux

Host system

Star and system properties

Host star: TOI-4552
Stars in system: 1
Known planets in system: 1
Spectral type: M4.5 V
Stellar temperature: 3,258 K
Stellar radius: 0.2869 R☉
Stellar mass: 0.2619 M☉
Stellar metallicity: -0.07 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 27.2684 parsecs
Right ascension: 17h38m51.42s
Declination: -47d38m13.36s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-05
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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