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

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pi Men d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/pi Men d

Confirmed exoplanet · Neptune Like

pi Men d

Orbiting HD 39091

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 pi Men d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 3.72 R⊕
Mass: 13.38 M⊕
Orbit: 124.64 days
Distance: 18.2702 pc

Planet profile

Orbit and physical properties

Orbital period: 124.64 days
Semi-major axis: 0.506 AU
Eccentricity: 0.22
Radius: 3.72 Earth radii
Mass: 13.38 Earth masses
Mass provenance: Msini
Density: 1.43 g/cm³
Equilibrium temperature: 443.55 K
Insolation: 5.6398 Earth flux

Host system

Star and system properties

Host star: HD 39091
Stars in system: 1
Known planets in system: 3
Spectral type: G0 V
Stellar temperature: 5,998 K
Stellar radius: 1.19 R☉
Stellar mass: 1.07 M☉
Stellar metallicity: 0.09 dex
Stellar age: 3.92 Gyr
Distance: 18.2702 parsecs
Right ascension: 05h37m11.83s
Declination: -80d27m52.57s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-05
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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