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K2-17 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-17 b

Confirmed exoplanet · Super Earth

K2-17 b

Orbiting K2-17

Discovered in 2015 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 K2-17 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 2.23 R⊕
Mass: 5.6 M⊕
Orbit: 17.96753 days
Distance: 125.106 pc

Planet profile

Orbit and physical properties

Orbital period: 17.96753 days
Semi-major axis: 0.119 AU
Eccentricity: 0.18
Radius: 2.23 Earth radii
Mass: 5.6 Earth masses
Mass provenance: M-R relationship
Density: 2.77 g/cm³
Equilibrium temperature: 487 K
Insolation: 4.91 Earth flux

Host system

Star and system properties

Host star: K2-17
Stars in system: 1
Known planets in system: 1
Spectral type: K7
Stellar temperature: 4,320 K
Stellar radius: 0.66 R☉
Stellar mass: 0.71 M☉
Stellar metallicity: 0.15 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 125.106 parsecs
Right ascension: 11h53m19.12s
Declination: +06d24m44.34s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-08
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from K2-17 b.

Generic super earth catalog artwork; not a direct image of K2-17 b — Apex Andromeda catalog artwork