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HD 144899 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 144899 b

Confirmed exoplanet · Neptune Like

HD 144899 b

Orbiting HD 144899

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 144899 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 4.77 R⊕
Mass: 20.341018 M⊕
Orbit: 40.43914 days
Distance: 115.665 pc

Planet profile

Orbit and physical properties

Orbital period: 40.43914 days
Semi-major axis: 0.242 AU
Eccentricity: 0.821
Radius: 4.77 Earth radii
Mass: 20.341018 Earth masses
Mass provenance: Msini
Density: 1.03 g/cm³
Equilibrium temperature: 770.87 K
Insolation: 58.843 Earth flux

Host system

Star and system properties

Host star: HD 144899
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,126 K
Stellar radius: 1.64802 R☉
Stellar mass: 1.16 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 115.665 parsecs
Right ascension: 16h10m17.30s
Declination: -47d54m52.86s

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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