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TOI-1221 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1221 b

Confirmed exoplanet · Neptune Like

TOI-1221 b

Orbiting TOI-1221

Discovered in 2023 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-1221 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 2.91 R⊕
Mass: 1,112.399425 M⊕
Orbit: 91.68278 days
Distance: 138.411 pc

Planet profile

Orbit and physical properties

Orbital period: 91.68278 days
Semi-major axis: 0.387 AU
Eccentricity: 0.21
Radius: 2.91 Earth radii
Mass: 1,112.399425 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 440 K
Insolation: 6.06 Earth flux

Host system

Star and system properties

Host star: TOI-1221
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,592 K
Stellar radius: 1.031 R☉
Stellar mass: 0.93 M☉
Stellar metallicity: 0.06 dex
Stellar age: 10 Gyr
Distance: 138.411 parsecs
Right ascension: 07h11m41.05s
Declination: -65d30m31.88s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,023
Publication date: 2023-05
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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