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K2-117 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-117 b

Confirmed exoplanet · Super Earth

K2-117 b

Orbiting K2-117

Discovered in 2017 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 K2-117 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit
Radius: 2.03 R⊕
Mass: 4.78 M⊕
Orbit: 1.2916 days
Distance: 101.632 pc

Planet profile

Orbit and physical properties

Orbital period: 1.2916 days
Semi-major axis: 0.0189 AU
Eccentricity: 0.06
Radius: 2.03 Earth radii
Mass: 4.78 Earth masses
Mass provenance: M-R relationship
Density: 3.14 g/cm³
Equilibrium temperature: 868 K
Insolation: 145.8 Earth flux

Host system

Star and system properties

Host star: K2-117
Stars in system: 1
Known planets in system: 2
Spectral type: M1.0 V
Stellar temperature: 3,778 K
Stellar radius: 0.51 R☉
Stellar mass: 0.54 M☉
Stellar metallicity: -0.05 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 101.632 parsecs
Right ascension: 08h55m25.38s
Declination: +10d28m09.18s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,017
Publication date: 2017-11
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 K2-117 b.

Generic super earth catalog artwork; not a direct image of K2-117 b — Apex Andromeda catalog artwork