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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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AU Mic e | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/AU Mic e

Confirmed exoplanet · Neptune Like

AU Mic e

Orbiting AU Mic

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 AU Mic e — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 4.87 R⊕
Mass: 21.1 M⊕
Orbit: 33.11 days
Distance: 9.7221 pc

Planet profile

Orbit and physical properties

Orbital period: 33.11 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 4.87 Earth radii
Mass: 21.1 Earth masses
Mass provenance: Mass
Density: 1 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: AU Mic
Stars in system: 1
Known planets in system: 4
Spectral type: M1 V
Stellar temperature: 3,665 K
Stellar radius: 0.82 R☉
Stellar mass: 0.6 M☉
Stellar metallicity: 0.12 dex
Stellar age: 0.0185 Gyr
Distance: 9.7221 parsecs
Right ascension: 20h45m09.87s
Declination: -31d20m32.82s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2025-08
Discovery locale: Ground
Facility: Mauna Kea Observatory
Telescope: 3.58 m Canada-France-Hawaii Telescope (CFHT)
Instrument: SPIRou
NASA Exoplanet Archive: Open composite record ↗

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