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HD 86728 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 86728 b

Confirmed exoplanet · Neptune Like

HD 86728 b

Orbiting HD 86728

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 HD 86728 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 3.03 R⊕
Mass: 9.43 M⊕
Orbit: 31.1515 days
Distance: 14.9202 pc

Planet profile

Orbit and physical properties

Orbital period: 31.1515 days
Semi-major axis: 0.1916 AU
Eccentricity: 0.067
Radius: 3.03 Earth radii
Mass: 9.43 Earth masses
Mass provenance: Msini
Density: 1.86 g/cm³
Equilibrium temperature: 687.36 K
Insolation: 37.1828 Earth flux

Host system

Star and system properties

Host star: HD 86728
Stars in system: 1
Known planets in system: 1
Spectral type: G1V
Stellar temperature: 5,610 K
Stellar radius: 1.237 R☉
Stellar mass: 0.967 M☉
Stellar metallicity: 0.2 dex
Stellar age: 9.52 Gyr
Distance: 14.9202 parsecs
Right ascension: 10h01m00.01s
Declination: +31d55m18.56s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2025-01
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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