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TOI-5789 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-5789 c

Confirmed exoplanet · Neptune Like

TOI-5789 c

Orbiting TOI-5789

Discovered in 2026 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of TOI-5789 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 2.86 R⊕
Mass: 5 M⊕
Orbit: 12.927748 days
Distance: 20.4581 pc

Planet profile

Orbit and physical properties

Orbital period: 12.927748 days
Semi-major axis: 0.1009 AU
Eccentricity: 0.067
Radius: 2.86 Earth radii
Mass: 5 Earth masses
Mass provenance: Mass
Density: 1.16 g/cm³
Equilibrium temperature: 718 K
Insolation: 8.7194 Earth flux

Host system

Star and system properties

Host star: TOI-5789
Stars in system: 1
Known planets in system: 4
Spectral type: K1 V
Stellar temperature: 5,185 K
Stellar radius: 0.833 R☉
Stellar mass: 0.821 M☉
Stellar metallicity: -0.12 dex
Stellar age: 9.4 Gyr
Distance: 20.4581 parsecs
Right ascension: 20h11m05.63s
Declination: +16d11m22.97s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-03
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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