Imaginary Picture of Kepler-396 c

Display orbital revolution of Kepler-396 c around the hoststar Kepler-396
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Exoplanet Name : Kepler-396 c
Alternate Name : "2MASS J19443187+4858386 c, K02672.01, KIC 11253827 c, KOI-2672 c, KOI-2672.01, WISE J194431.87+485838.4 c"
Status : Confirmed
Radius (Rjup / Re): 0.4730 (Rjup) 5.3019 (Rearth)
Mass (Mjup / Me): 0.0560 (Mjup) 17.8045 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2266 (AU) 0.2266 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2423
Orbital Period(Observed/Estimated) 88.50 (Days Obs.) 43.78 (Days Est.)
Surface Gravity (G Earth) 0.6334
Star Radiation at Atmospheric Boundary: 19926.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 530.3 (K)
Blackbody T 0.3(K) 498.0 (K)
Blackbody T 0.7(K) 402.9 (K)
Tidally Locked Blackbody T 0.1(K) 630.6 (K)
Tidally Locked Blackbody T 0.3(K) 592.2 (K)
Size Class: sub-Jupiter-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-396
Alternate Name : "2MASS J19443187+4858386, KIC 11253827, KOI-2672, WISE J194431.87+485838.4"
Star Distance(LY) : 712.1
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5656 (K)
Spectral type : G7
UV portion[%]: 6.3
Visible portion[%]: 42.3
IR portion[%]: 51.4
Metalicity : -0.1
Absolute Magnitude: 4.0
Apparent Magnitude: 10.7
Right Ascension(RA) 296.1328
Declination (DEC) 48.9774
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-396+&submit=SIMBAD+search
Open Exoplanet Database Link 0
Kepler-396 c
Kepler-396 c

  • Kepler-396 c is an exoplanet orbiting the star Kepler-396, located about 712.1 light-years (218.3 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star Kepler-396 has apparent magnitude of 10.7, with absolute magnitude of 4.0.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5656 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-396 c orbits around the star Kepler-396 every 88.5 days with its orbital distance of 0.23 AU ( 33901869.5 km)
  • (Projected orbit of Kepler-396 c around its host star Kepler-396)


  • The Star Kepler-396 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.626 AU ( 93619143.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.865 AU ( 129406122.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.318 AU ( 197186292.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.940 AU ( 290168267.8 km)
  • Radiation at Planetary Boundary of Kepler-396 c : 19926.06 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-396)



  • Kopparapu Recent Venus for Star Kepler-396 distance : 0.653 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-396 distance : 0.827 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-396 distance : 0.799 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-396 distance : 0.876 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-396 distance : 1.466 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-396 distance : 1.546 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-396)



  • Original Kopparapu Recent Venus for Star Kepler-396 distance : 0.653 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-396 distance : 0.851 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-396 distance : 0.864 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-396 distance : 1.492 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-396 distance : 1.551 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-396)



    (Position in Stellar Map of star Kepler-396 and its Exoplanet Kepler-396 c)



    (Zoomed position in Stellar Map of star Kepler-396 and its Exoplanet Kepler-396 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-396*)
    *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