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Kepler-20 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-20 d

Confirmed exoplanet · Neptune Like

Kepler-20 d

Orbiting Kepler-20

Discovered in 2011 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Kepler-20e -- The Smallest Exoplanet Artist Concept, an official NASA exoplanet image or artist concept — Sourced object or system artworkNASA/Ames/JPL-Caltech

Discovery: 2,011
Method: Transit
Radius: 2.606 R⊕
Mass: 13.4 M⊕
Orbit: 77.611455 days
Distance: 282.563 pc

Planet profile

Orbit and physical properties

Orbital period: 77.611455 days
Semi-major axis: 0.3474 AU
Eccentricity: 0.082
Radius: 2.606 Earth radii
Mass: 13.4 Earth masses
Mass provenance: Mass
Density: 4.1 g/cm³
Equilibrium temperature: 430 K
Insolation: 5.71 Earth flux

Host system

Star and system properties

Host star: Kepler-20
Stars in system: 2
Known planets in system: 6
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,495 K
Stellar radius: 0.9164 R☉
Stellar mass: 0.929 M☉
Stellar metallicity: 0.07 dex
Stellar age: 5.6 Gyr
Distance: 282.563 parsecs
Right ascension: 19h10m47.52s
Declination: +42d20m18.88s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,011
Publication date: 2012-04
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Kepler-20 d.

Kepler-20e -- The Smallest Exoplanet Artist Concept, an official NASA exoplanet image or artist concept — NASA/Ames/JPL-CaltechSource ↗