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TOI-1422 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1422 c

Confirmed exoplanet · Neptune Like

TOI-1422 c

Orbiting TOI-1422

Discovered in 2025 using Radial Velocity. 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-1422 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 2.61 R⊕
Mass: 14 M⊕
Orbit: 34.5633 days
Distance: 155.141 pc

Planet profile

Orbit and physical properties

Orbital period: 34.5633 days
Semi-major axis: 0.205 AU
Eccentricity: 0.2
Radius: 2.61 Earth radii
Mass: 14 Earth masses
Mass provenance: Mass
Density: 4.3 g/cm³
Equilibrium temperature: 628 K
Insolation: 26.5556 Earth flux

Host system

Star and system properties

Host star: TOI-1422
Stars in system: 1
Known planets in system: 2
Spectral type: G2 V
Stellar temperature: 5,840 K
Stellar radius: 1.019 R☉
Stellar mass: 0.9903 M☉
Stellar metallicity: -0.028 dex
Stellar age: 4.6 Gyr
Distance: 155.141 parsecs
Right ascension: 23h36m57.80s
Declination: +39d38m21.41s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2026-01
Discovery locale: Ground
Facility: Roque de los Muchachos Observatory
Telescope: 3.58 m Telescopio Nazionale Galileo
Instrument: HARPS-N Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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