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HD 224018 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 224018 d

Confirmed exoplanet · Super Earth

HD 224018 d

Orbiting HD 224018

Discovered in 2025 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of HD 224018 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 2.4 R⊕
Mass: 4.2 M⊕
Orbit: 138.0731 days
Distance: 105.48 pc

Planet profile

Orbit and physical properties

Orbital period: 138.0731 days
Semi-major axis: 0.53 AU
Eccentricity: 0.04
Radius: 2.4 Earth radii
Mass: 4.2 Earth masses
Mass provenance: Mass
Density: 1.7 g/cm³
Equilibrium temperature: 411 K
Insolation: 4.7348 Earth flux

Host system

Star and system properties

Host star: HD 224018
Stars in system: 1
Known planets in system: 3
Spectral type: G V
Stellar temperature: 5,784 K
Stellar radius: 1.147 R☉
Stellar mass: 1.013 M☉
Stellar metallicity: 0.05 dex
Stellar age: 7 Gyr
Distance: 105.48 parsecs
Right ascension: 23h54m33.36s
Declination: -04d43m24.01s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-10
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 224018 d.

Generic super earth catalog artwork; not a direct image of HD 224018 d — Apex Andromeda catalog artwork