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HD 140901 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 140901 b

Confirmed exoplanet · Neptune Like

HD 140901 b

Orbiting HD 140901

Discovered in 2022 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 HD 140901 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 4.07 R⊕
Mass: 15.573592 M⊕
Orbit: 9.02378 days
Distance: 15.2528 pc

Planet profile

Orbit and physical properties

Orbital period: 9.02378 days
Semi-major axis: 0.085 AU
Eccentricity: 0.472
Radius: 4.07 Earth radii
Mass: 15.573592 Earth masses
Mass provenance: Msini
Density: 1.27 g/cm³
Equilibrium temperature: 904.37 K
Insolation: 109.3426 Earth flux

Host system

Star and system properties

Host star: HD 140901
Stars in system: 1
Known planets in system: 2
Spectral type: G7 IV
Stellar temperature: 5,610 K
Stellar radius: 0.95 R☉
Stellar mass: 0.99 M☉
Stellar metallicity: 0.0859 dex
Stellar age: 3.2 Gyr
Distance: 15.2528 parsecs
Right ascension: 15h47m28.56s
Declination: -37d55m02.04s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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