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TOI-561 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-561 b

Confirmed exoplanet · Terrestrial

TOI-561 b

Orbiting TOI-561

Discovered in 2020 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-561 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 1.397 R⊕
Mass: 2.02 M⊕
Orbit: 0.44657 days
Distance: 85.799 pc

Planet profile

Orbit and physical properties

Orbital period: 0.44657 days
Semi-major axis: 0.01064 AU
Eccentricity: 0
Radius: 1.397 Earth radii
Mass: 2.02 Earth masses
Mass provenance: Mass
Density: 4.1 g/cm³
Equilibrium temperature: 2,319 K
Insolation: 4,709 Earth flux

Host system

Star and system properties

Host star: TOI-561
Stars in system: 1
Known planets in system: 4
Spectral type: G9 V
Stellar temperature: 5,342 K
Stellar radius: 0.843 R☉
Stellar mass: 0.806 M☉
Stellar metallicity: -0.41 dex
Stellar age: 16.1 Gyr
Distance: 85.799 parsecs
Right ascension: 09h52m44.44s
Declination: +06d12m57.97s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2021-03
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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