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Kepler-304 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-304 b

Confirmed exoplanet · Neptune Like

Kepler-304 b

Orbiting Kepler-304

Discovered in 2014 using Transit. 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 Kepler-304 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 2.86 R⊕
Mass: 8.55 M⊕
Orbit: 3.295709 days
Distance: 434.684 pc

Planet profile

Orbit and physical properties

Orbital period: 3.295709 days
Semi-major axis: 0.039 AU
Eccentricity: 0
Radius: 2.86 Earth radii
Mass: 8.55 Earth masses
Mass provenance: M-R relationship
Density: 2.01 g/cm³
Equilibrium temperature: 875 K
Insolation: 139.146 Earth flux

Host system

Star and system properties

Host star: Kepler-304
Stars in system: 1
Known planets in system: 4
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,731 K
Stellar radius: 0.687 R☉
Stellar mass: 0.737 M☉
Stellar metallicity: 0.03 dex
Stellar age: 2.09 Gyr
Distance: 434.684 parsecs
Right ascension: 19h37m46.03s
Declination: +40d33m27.15s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-03
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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