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TOI-2141 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-2141 d

Confirmed exoplanet · Neptune Like

TOI-2141 d

Orbiting TOI-2141

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-2141 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 3.97 R⊕
Mass: 14.9 M⊕
Orbit: 60.45 days
Distance: 77.682 pc

Planet profile

Orbit and physical properties

Orbital period: 60.45 days
Semi-major axis: 0.2906 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 3.97 Earth radii
Mass: 14.9 Earth masses
Mass provenance: Msini
Density: 1.31 g/cm³
Equilibrium temperature: 491.4 K
Insolation: 9.8 Earth flux

Host system

Star and system properties

Host star: TOI-2141
Stars in system: 1
Known planets in system: 3
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,635 K
Stellar radius: 0.95 R☉
Stellar mass: 0.896 M☉
Stellar metallicity: -0.14 dex
Stellar age: 9 Gyr
Distance: 77.682 parsecs
Right ascension: 17h15m02.96s
Declination: +18d20m25.24s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2025-12
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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