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TOI-1266 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1266 d

Confirmed exoplanet · Super Earth

TOI-1266 d

Orbiting TOI-1266

Discovered in 2025 using Transit Timing Variations. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of TOI-1266 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit Timing Variations
Radius: 1.74 R⊕
Mass: 3.68 M⊕
Orbit: 32.509 days
Distance: 36.0118 pc

Planet profile

Orbit and physical properties

Orbital period: 32.509 days
Semi-major axis: 0.1513 AU
Eccentricity: 0.087
Radius: 1.74 Earth radii
Mass: 3.68 Earth masses
Mass provenance: Mass
Density: 3.84 g/cm³
Equilibrium temperature: 288 K
Insolation: 1.3 Earth flux

Host system

Star and system properties

Host star: TOI-1266
Stars in system: 1
Known planets in system: 3
Spectral type: M2
Stellar temperature: 3,563 K
Stellar radius: 0.4232 R☉
Stellar mass: 0.437 M☉
Stellar metallicity: -0.109 dex
Stellar age: 4.6 Gyr
Distance: 36.0118 parsecs
Right ascension: 13h11m59.18s
Declination: +65d50m01.31s

Discovery

Detection and provenance

Discovery method: Transit Timing Variations
Discovery year: 2,025
Publication date: 2025-06
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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