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HN Lib b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HN Lib b

Confirmed exoplanet · Super Earth

HN Lib b

Orbiting HN Lib

Discovered in 2023 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of HN Lib b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 2.2 R⊕
Mass: 5.46 M⊕
Orbit: 36.116 days
Distance: 6.24442 pc

Planet profile

Orbit and physical properties

Orbital period: 36.116 days
Semi-major axis: 0.1417 AU
Eccentricity: 0.079
Radius: 2.2 Earth radii
Mass: 5.46 Earth masses
Mass provenance: Msini
Density: 2.82 g/cm³
Equilibrium temperature: 234.4 K
Insolation: 0.503 Earth flux

Host system

Star and system properties

Host star: HN Lib
Stars in system: 1
Known planets in system: 1
Spectral type: M4.0 V
Stellar temperature: 3,347 K
Stellar radius: 0.299 R☉
Stellar mass: 0.291 M☉
Stellar metallicity: -0.18 dex
Stellar age: 4.4 Gyr
Distance: 6.24442 parsecs
Right ascension: 14h34m16.44s
Declination: -12d31m01.22s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-07
Discovery locale: Ground
Facility: Calar Alto Observatory
Telescope: 3.5 m telescope
Instrument: CARMENES
NASA Exoplanet Archive: Open composite record ↗

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