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Kepler-428 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-428 b

Confirmed exoplanet · Gas Giant

Kepler-428 b

Orbiting Kepler-428

Discovered in 2014 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of Kepler-428 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 12.11 R⊕
Mass: 403.63 M⊕
Orbit: 3.525633 days
Distance: 686.284 pc

Planet profile

Orbit and physical properties

Orbital period: 3.525633 days
Semi-major axis: 0.0433 AU
Eccentricity: 0.22
Radius: 12.11 Earth radii
Mass: 403.63 Earth masses
Mass provenance: Mass
Density: 1.02 g/cm³
Equilibrium temperature: 1,070 K
Insolation: 195.088 Earth flux

Host system

Star and system properties

Host star: Kepler-428
Stars in system: 1
Known planets in system: 1
Spectral type: K1 V
Stellar temperature: 5,150 K
Stellar radius: 0.8 R☉
Stellar mass: 0.87 M☉
Stellar metallicity: 0.09 dex
Stellar age: 5 Gyr
Distance: 686.284 parsecs
Right ascension: 19h22m19.62s
Declination: +40d34m38.32s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-12
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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