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TOI-858 B b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-858 B b

Confirmed exoplanet · Gas Giant

TOI-858 B b

Orbiting TOI-858 B

Discovered in 2023 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-858 B b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 14.067271 R⊕
Mass: 349.611248 M⊕
Orbit: 3.279718 days
Distance: 250.489 pc

Planet profile

Orbit and physical properties

Orbital period: 3.279718 days
Semi-major axis: 0.04435 AU
Eccentricity: 0.15
Radius: 14.067271 Earth radii
Mass: 349.611248 Earth masses
Mass provenance: Mass
Density: 0.69 g/cm³
Equilibrium temperature: 1,529 K
Insolation: 908.9 Earth flux

Host system

Star and system properties

Host star: TOI-858 B
Stars in system: 2
Known planets in system: 1
Spectral type: G0
Stellar temperature: 5,842 K
Stellar radius: 1.308 R☉
Stellar mass: 1.081 M☉
Stellar metallicity: 0.153 dex
Stellar age: 6.8 Gyr
Distance: 250.489 parsecs
Right ascension: 04h00m47.96s
Declination: -54d35m34.50s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,023
Publication date: 2023-11
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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