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HD 5278 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 5278 b

Confirmed exoplanet · Super Earth

HD 5278 b

Orbiting HD 5278

Discovered in 2021 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 5278 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 2.45 R⊕
Mass: 7.8 M⊕
Orbit: 14.339156 days
Distance: 57.5846 pc

Planet profile

Orbit and physical properties

Orbital period: 14.339156 days
Semi-major axis: 0.1202 AU
Eccentricity: 0.08
Radius: 2.45 Earth radii
Mass: 7.8 Earth masses
Mass provenance: Mass
Density: 2.9 g/cm³
Equilibrium temperature: 943 K
Insolation: 132 Earth flux

Host system

Star and system properties

Host star: HD 5278
Stars in system: 1
Known planets in system: 2
Spectral type: F V
Stellar temperature: 6,203 K
Stellar radius: 1.194 R☉
Stellar mass: 1.126 M☉
Stellar metallicity: -0.12 dex
Stellar age: 3 Gyr
Distance: 57.5846 parsecs
Right ascension: 00h50m11.23s
Declination: -83d44m37.56s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2021-04
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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