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Kepler-448 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-448 c

Confirmed exoplanet · Gas Giant

Kepler-448 c

Orbiting KOI-12

Discovered in 2017 using Transit Timing Variations. 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-448 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit Timing Variations
Radius: 12 R⊕
Mass: 6,992.26 M⊕
Orbit: 2,500 days
Distance: 399.398 pc

Planet profile

Orbit and physical properties

Orbital period: 2,500 days
Semi-major axis: 4.2 AU
Eccentricity: 0.65
Radius: 12 Earth radii
Mass: 6,992.26 Earth masses
Mass provenance: Mass
Density: 22.2 g/cm³
Equilibrium temperature: 184.72 K
Insolation: 0.2399 Earth flux

Host system

Star and system properties

Host star: KOI-12
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,635 K
Stellar radius: 1.4 R☉
Stellar mass: 1.5 M☉
Stellar metallicity: 0.0815 dex
Stellar age: 1.45 Gyr
Distance: 399.398 parsecs
Right ascension: 19h49m48.90s
Declination: +41d00m39.67s

Discovery

Detection and provenance

Discovery method: Transit Timing Variations
Discovery year: 2,017
Publication date: 2017-08
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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