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TOI-122 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-122 b

Confirmed exoplanet · Neptune Like

TOI-122 b

Orbiting TOI-122

Discovered in 2020 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-122 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 2.72 R⊕
Mass: 7.85 M⊕
Orbit: 5.07803 days
Distance: 62.118 pc

Planet profile

Orbit and physical properties

Orbital period: 5.07803 days
Semi-major axis: 0.0392 AU
Eccentricity: 0
Radius: 2.72 Earth radii
Mass: 7.85 Earth masses
Mass provenance: M-R relationship
Density: 2.14 g/cm³
Equilibrium temperature: 471 K
Insolation: 8.8 Earth flux

Host system

Star and system properties

Host star: TOI-122
Stars in system: 1
Known planets in system: 1
Spectral type: M3 V
Stellar temperature: 3,403 K
Stellar radius: 0.334 R☉
Stellar mass: 0.312 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: 2 Gyr
Distance: 62.118 parsecs
Right ascension: 22h11m47.58s
Declination: -58d56m45.91s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2021-01
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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