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TOI-431 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-431 c

Confirmed exoplanet · Terrestrial

TOI-431 c

Orbiting TOI-431

Discovered in 2021 using Radial Velocity. 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-431 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 1.49 R⊕
Mass: 2.83 M⊕
Orbit: 4.8494 days
Distance: 32.5686 pc

Planet profile

Orbit and physical properties

Orbital period: 4.8494 days
Semi-major axis: 0.052 AU
Eccentricity: 0
Radius: 1.49 Earth radii
Mass: 2.83 Earth masses
Mass provenance: Msini
Density: 4.7 g/cm³
Equilibrium temperature: 867 K
Insolation: 100.6717 Earth flux

Host system

Star and system properties

Host star: TOI-431
Stars in system: 1
Known planets in system: 3
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,850 K
Stellar radius: 0.731 R☉
Stellar mass: 0.78 M☉
Stellar metallicity: 0.2 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 32.5686 parsecs
Right ascension: 05h33m04.62s
Declination: -26d43m25.93s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-10
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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