Imaginary Picture of Kepler-317 c

Display orbital revolution of Kepler-317 c around the hoststar Kepler-317
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Exoplanet Name : Kepler-317 c
Alternate Name : "2MASS J19394653+3901554 c, K01760.02, KIC 3967760 c, KOI-1760 c, KOI-1760.02, WISE J193946.53+390155.3 c"
Status : Confirmed
Radius (Rjup / Re): 0.1530 (Rjup) 1.7150 (Rearth)
Mass (Mjup / Me): 0.0137 (Mjup) 4.3569 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0830 (AU) 0.0830 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0240
Orbital Period(Observed/Estimated) 8.78 (Days Obs.) 8.96 (Days Est.)
Surface Gravity (G Earth) 1.4813
Star Radiation at Atmospheric Boundary: 102285.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 798.2 (K)
Blackbody T 0.3(K) 749.6 (K)
Blackbody T 0.7(K) 606.5 (K)
Tidally Locked Blackbody T 0.1(K) 949.2 (K)
Tidally Locked Blackbody T 0.3(K) 891.4 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-317
Alternate Name : "2MASS J19394653+3901554, KIC 3967760, KOI-1760, WISE J193946.53+390155.3"
Star Distance(LY) : 3068.3
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5323 (K)
Spectral type : G7
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.9
Metalicity : 0.3
Absolute Magnitude: 4.2
Apparent Magnitude: 14.1
Right Ascension(RA) 294.9439
Declination (DEC) 39.0321
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-317+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-317%20c/
Kepler-317 c
Kepler-317 c

  • Kepler-317 c is an exoplanet orbiting the star Kepler-317, located about 3068.3 light-years (940.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-317 has apparent magnitude of 14.1, with absolute magnitude of 4.2.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5323 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-317 c orbits around the star Kepler-317 every 8.8 days with its orbital distance of 0.08 AU ( 12416623.3 km)
  • (Projected orbit of Kepler-317 c around its host star Kepler-317)


  • The Star Kepler-317 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.519 AU ( 77685758.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.718 AU ( 107382019.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.094 AU ( 163626433.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.610 AU ( 240783465.4 km)
  • Radiation at Planetary Boundary of Kepler-317 c : 102285.77 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-317)



  • Kopparapu Recent Venus for Star Kepler-317 distance : 0.553 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-317 distance : 0.700 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-317 distance : 0.676 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-317 distance : 0.741 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-317 distance : 1.253 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-317 distance : 1.321 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-317)



  • Original Kopparapu Recent Venus for Star Kepler-317 distance : 0.549 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-317 distance : 0.720 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-317 distance : 0.726 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-317 distance : 1.274 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-317 distance : 1.325 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-317)



    (Position in Stellar Map of star Kepler-317 and its Exoplanet Kepler-317 c)



    (Zoomed position in Stellar Map of star Kepler-317 and its Exoplanet Kepler-317 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-317*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102