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TOI-5811 B b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-5811 B b

Confirmed exoplanet · Gas Giant

TOI-5811 B b

Orbiting TOI-5811 B

Discovered in 2026 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-5811 B b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 21.969602 R⊕
Mass: 257.44101 M⊕
Orbit: 6.25663 days
Distance: 170.135 pc

Planet profile

Orbit and physical properties

Orbital period: 6.25663 days
Semi-major axis: 0.0731 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 21.969602 Earth radii
Mass: 257.44101 Earth masses
Mass provenance: Mass
Density: 0.134 g/cm³
Equilibrium temperature: 1,530 K
Insolation: 1,320 Earth flux

Host system

Star and system properties

Host star: TOI-5811 B
Stars in system: 3
Known planets in system: 1
Spectral type: K2 IV+
Stellar temperature: 4,840 K
Stellar radius: 3.73 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: -0.06 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 170.135 parsecs
Right ascension: 20h43m38.43s
Declination: +19d43m45.00s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-07
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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