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HD 50554 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 50554 d

Confirmed exoplanet · Terrestrial

HD 50554 d

Orbiting HD 50554

Discovered in 2026 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of HD 50554 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 1.41 R⊕
Mass: 10.4 M⊕
Orbit: 28.0694 days
Distance: 31.1664 pc

Planet profile

Orbit and physical properties

Orbital period: 28.0694 days
Semi-major axis: 0.1831 AU
Eccentricity: 0
Radius: 1.41 Earth radii
Mass: 10.4 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 651.11 K
Insolation: 42.4756 Earth flux

Host system

Star and system properties

Host star: HD 50554
Stars in system: 1
Known planets in system: 3
Spectral type: F8 V
Stellar temperature: 5,968 K
Stellar radius: 1.146 R☉
Stellar mass: 1.04 M☉
Stellar metallicity: -0.02 dex
Stellar age: 2.16 Gyr
Distance: 31.1664 parsecs
Right ascension: 06h54m42.79s
Declination: +24d14m42.51s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-08
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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