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TOI-269 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-269 b

Confirmed exoplanet · Neptune Like

TOI-269 b

Orbiting TOI-269

Discovered in 2021 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of TOI-269 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 2.77 R⊕
Mass: 8.8 M⊕
Orbit: 3.69771 days
Distance: 57.0225 pc

Planet profile

Orbit and physical properties

Orbital period: 3.69771 days
Semi-major axis: 0.0345 AU
Eccentricity: 0.425
Radius: 2.77 Earth radii
Mass: 8.8 Earth masses
Mass provenance: Mass
Density: 2.28 g/cm³
Equilibrium temperature: 531 K
Insolation: 19 Earth flux

Host system

Star and system properties

Host star: TOI-269
Stars in system: 1
Known planets in system: 1
Spectral type: M2 V
Stellar temperature: 3,514 K
Stellar radius: 0.398 R☉
Stellar mass: 0.3917 M☉
Stellar metallicity: -0.29 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 57.0225 parsecs
Right ascension: 05h03m23.11s
Declination: -54d10m39.80s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2021-06
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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