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TOI-270 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-270 b

Confirmed exoplanet · Terrestrial

TOI-270 b

Orbiting TOI-270

Discovered in 2019 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-270 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 1.28 R⊕
Mass: 1.48 M⊕
Orbit: 3.35992 days
Distance: 22.4793 pc

Planet profile

Orbit and physical properties

Orbital period: 3.35992 days
Semi-major axis: 0.03197 AU
Eccentricity: 0.0167
Radius: 1.28 Earth radii
Mass: 1.48 Earth masses
Mass provenance: Mass
Density: 3.89 g/cm³
Equilibrium temperature: 600 K
Insolation: 131.7935 Earth flux

Host system

Star and system properties

Host star: TOI-270
Stars in system: 1
Known planets in system: 3
Spectral type: M3 V
Stellar temperature: 3,506 K
Stellar radius: 0.38 R☉
Stellar mass: 0.386 M☉
Stellar metallicity: -0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 22.4793 parsecs
Right ascension: 04h33m39.86s
Declination: -51d57m26.62s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-07
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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