Imaginary Picture of Kepler-336 d

Display orbital revolution of Kepler-336 d around the hoststar Kepler-336
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Exoplanet Name : Kepler-336 d
Alternate Name : "2MASS J19205703+4119529 d, K01916.01, KIC 6037581 d, KOI-1916 d, KOI-1916.01, WISE J192057.02+411952.8 d"
Status : Confirmed
Radius (Rjup / Re): 0.2110 (Rjup) 2.3651 (Rearth)
Mass (Mjup / Me): 0.0185 (Mjup) 5.8748 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1540 (AU) 0.1540 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0566
Orbital Period(Observed/Estimated) 20.68 (Days Obs.) 23.40 (Days Est.)
Surface Gravity (G Earth) 1.0503
Star Radiation at Atmospheric Boundary: 98994.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 791.7 (K)
Blackbody T 0.3(K) 743.5 (K)
Blackbody T 0.7(K) 601.5 (K)
Tidally Locked Blackbody T 0.1(K) 941.5 (K)
Tidally Locked Blackbody T 0.3(K) 884.1 (K)
Size Class: sub-Neptune-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-336
Alternate Name : "2MASS J19205703+4119529, KIC 6037581, KOI-1916, WISE J192057.02+411952.8"
Star Distance(LY) : 2041.9
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5865 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.4
Absolute Magnitude: 3.5
Apparent Magnitude: 12.5
Right Ascension(RA) 290.2376
Declination (DEC) 41.3314
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-336+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-336%20d/
Kepler-336 d
Kepler-336 d

  • Kepler-336 d is an exoplanet orbiting the star Kepler-336, located about 2041.9 light-years (626.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-336 has apparent magnitude of 12.5, with absolute magnitude of 3.5.
  • It is 0.9 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5865 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-336 d orbits around the star Kepler-336 every 20.7 days with its orbital distance of 0.15 AU ( 23038072.1 km)
  • (Projected orbit of Kepler-336 d around its host star Kepler-336)


  • The Star Kepler-336 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.948 AU ( 141801641.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.310 AU ( 196006925.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.996 AU ( 298671177.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.938 AU ( 439507721.6 km)
  • Radiation at Planetary Boundary of Kepler-336 d : 98994.18 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-336)



  • Kopparapu Recent Venus for Star Kepler-336 distance : 0.977 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-336 distance : 1.238 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-336 distance : 1.195 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-336 distance : 1.310 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-336 distance : 2.181 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-336 distance : 2.300 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-336)



  • Original Kopparapu Recent Venus for Star Kepler-336 distance : 0.980 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-336 distance : 1.271 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-336 distance : 1.297 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-336 distance : 2.219 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-336 distance : 2.308 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-336)



    (Position in Stellar Map of star Kepler-336 and its Exoplanet Kepler-336 d)



    (Zoomed position in Stellar Map of star Kepler-336 and its Exoplanet Kepler-336 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-336*)
    *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