Imaginary Picture of Kepler-339 d

Display orbital revolution of Kepler-339 d around the hoststar Kepler-339
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Exoplanet Name : Kepler-339 d
Alternate Name : "2MASS J19332441+4826407 d, K01931.02, KIC 10978763 d, KOI-1931 d, KOI-1931.02, WISE J193324.41+482640.6 d"
Status : Confirmed
Radius (Rjup / Re): 0.1040 (Rjup) 1.1657 (Rearth)
Mass (Mjup / Me): 0.0053 (Mjup) 1.6986 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0910 (AU) 0.0910 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0289
Orbital Period(Observed/Estimated) 10.56 (Days Obs.) 10.94 (Days Est.)
Surface Gravity (G Earth) 1.2499
Star Radiation at Atmospheric Boundary: 78241.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 746.5 (K)
Blackbody T 0.3(K) 701.0 (K)
Blackbody T 0.7(K) 567.2 (K)
Tidally Locked Blackbody T 0.1(K) 887.7 (K)
Tidally Locked Blackbody T 0.3(K) 833.6 (K)
Size Class: 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-339
Alternate Name : "2MASS J19332441+4826407, KIC 10978763, KOI-1931, WISE J193324.41+482640.6"
Star Distance(LY) : 2010.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5446 (K)
Spectral type : G5
UV portion[%]: 6.6
Visible portion[%]: 42.8
IR portion[%]: 50.5
Metalicity : -0.2
Absolute Magnitude: 4.3
Apparent Magnitude: 13.3
Right Ascension(RA) 293.3517
Declination (DEC) 48.4446
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-339+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-339%20d/
Kepler-339 d
Kepler-339 d

  • Kepler-339 d is an exoplanet orbiting the star Kepler-339, located about 2010.8 light-years (616.5 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-339 has apparent magnitude of 13.3, with absolute magnitude of 4.3.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5446 with its spectral types of G5
  • In this planetary system, the extrasolar planet Kepler-339 d orbits around the star Kepler-339 every 10.6 days with its orbital distance of 0.09 AU ( 13613406.2 km)
  • (Projected orbit of Kepler-339 d around its host star Kepler-339)


  • The Star Kepler-339 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.498 AU ( 74492935.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.688 AU ( 102968704.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.049 AU ( 156901518.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.543 AU ( 230887457.7 km)
  • Radiation at Planetary Boundary of Kepler-339 d : 78241.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-339)



  • Kopparapu Recent Venus for Star Kepler-339 distance : 0.526 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-339 distance : 0.666 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-339 distance : 0.644 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-339 distance : 0.706 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-339 distance : 1.188 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-339 distance : 1.253 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-339)



  • Original Kopparapu Recent Venus for Star Kepler-339 distance : 0.524 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-339 distance : 0.686 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-339 distance : 0.693 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-339 distance : 1.209 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-339 distance : 1.257 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-339)



    (Position in Stellar Map of star Kepler-339 and its Exoplanet Kepler-339 d)



    (Zoomed position in Stellar Map of star Kepler-339 and its Exoplanet Kepler-339 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-339*)
    *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