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LHS 3154 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LHS 3154 b

Confirmed exoplanet · Neptune Like

LHS 3154 b

Orbiting LHS 3154

Discovered in 2023 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 LHS 3154 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 3.69 R⊕
Mass: 13.15 M⊕
Orbit: 3.71778 days
Distance: 15.7606 pc

Planet profile

Orbit and physical properties

Orbital period: 3.71778 days
Semi-major axis: 0.02262 AU
Eccentricity: 0.076
Radius: 3.69 Earth radii
Mass: 13.15 Earth masses
Mass provenance: Msini
Density: 1.44 g/cm³
Equilibrium temperature: 343.83 K
Insolation: 3.7134 Earth flux

Host system

Star and system properties

Host star: LHS 3154
Stars in system: 1
Known planets in system: 1
Spectral type: M6.5
Stellar temperature: 2,861 K
Stellar radius: 0.1405 R☉
Stellar mass: 0.1118 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: 5 Gyr
Distance: 15.7606 parsecs
Right ascension: 16h06m32.82s
Declination: +40d54m24.56s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-12
Discovery locale: Ground
Facility: McDonald Observatory
Telescope: 9.2 m Hobby-Eberly Telescope
Instrument: Habitable Zone Planet Finder (HPF) spectrograph
NASA Exoplanet Archive: Open composite record ↗

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