Imaginary Picture of Kepler-393 c

Display orbital revolution of Kepler-393 c around the hoststar Kepler-393
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Exoplanet Name : Kepler-393 c
Alternate Name : "2MASS J19235886+4511319 c, K02595.02, KIC 8883329 c, KOI-2595 c, KOI-2595.02, WISE J192358.86+451131.8 c"
Status : Confirmed
Radius (Rjup / Re): 0.1190 (Rjup) 1.3339 (Rearth)
Mass (Mjup / Me): 0.0087 (Mjup) 2.7700 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1240 (AU) 0.1240 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0400
Orbital Period(Observed/Estimated) 14.61 (Days Obs.) 13.88 (Days Est.)
Surface Gravity (G Earth) 1.5569
Star Radiation at Atmospheric Boundary: 299750.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1044.3 (K)
Blackbody T 0.3(K) 980.7 (K)
Blackbody T 0.7(K) 793.5 (K)
Tidally Locked Blackbody T 0.1(K) 1241.9 (K)
Tidally Locked Blackbody T 0.3(K) 1166.3 (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-393
Alternate Name : "2MASS J19235886+4511319, KIC 8883329, KOI-2595, WISE J192358.86+451131.8"
Star Distance(LY) : 2873.7
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6330 (K)
Spectral type : F8
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.2
Absolute Magnitude: 2.6
Apparent Magnitude: 12.3
Right Ascension(RA) 290.9953
Declination (DEC) 45.1922
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-393&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-393%20c/
Kepler-393 c
Kepler-393 c

  • Kepler-393 c is an exoplanet orbiting the star Kepler-393, located about 2873.7 light-years (881.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-393 has apparent magnitude of 12.3, with absolute magnitude of 2.6.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6330 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-393 c orbits around the star Kepler-393 every 14.6 days with its orbital distance of 0.12 AU ( 18550136.0 km)
  • (Projected orbit of Kepler-393 c around its host star Kepler-393)


  • The Star Kepler-393 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.328 AU ( 198681286.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.836 AU ( 274629459.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.797 AU ( 418474520.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.116 AU ( 615803589.6 km)
  • Radiation at Planetary Boundary of Kepler-393 c : 299749.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-393)



  • Kopparapu Recent Venus for Star Kepler-393 distance : 1.331 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-393 distance : 1.686 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-393 distance : 1.628 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-393 distance : 1.784 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-393 distance : 2.941 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-393 distance : 3.102 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-393)



  • Original Kopparapu Recent Venus for Star Kepler-393 distance : 1.349 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-393 distance : 1.729 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-393 distance : 1.785 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-393 distance : 2.994 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-393 distance : 3.114 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-393)



    (Position in Stellar Map of star Kepler-393 and its Exoplanet Kepler-393 c)



    (Zoomed position in Stellar Map of star Kepler-393 and its Exoplanet Kepler-393 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-393*)
    *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