Kepler-817

Display orbital revolution around the star Kepler-817
Imaginary Picture of Star Kepler-817
Star Name : Kepler-817
Alternate Name : "2MASS J19441964+3909418, KIC 4076098, KOI-1323"
Star Distance (LY/pc): 4569.4456 (LY) 1401.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0300 (Rsun, estimated)
Stellar Mass (Msun): 1.0300 (Msun/observed) 1.0300 (Msun/estimated)
Spectral type : G2
Metalicity : 0.0200
Absolute Magnitude : 3.65
Apparent Magnitude : 14.39
Right Ascension(RA) : 296.08186
Declination(DEC) : 39.16162
  • This is the Kepler-817 . The star Kepler-817 islocated about 4569.4 light-years (1401.0 pc) away from our Solar System.
  • The star Kepler-817 has apparent magnitude of 14.4, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5861 with its spectral types of G2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-817 b radius 0.806000 mass 0.478864 orbital distance 0.000000
    (Illustration of the Kepler-817's Planetary System)



    The Star Kepler-817 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.767 AU ( 114667087.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.060 AU ( 158499880.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.614 AU ( 241518741.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.376 AU ( 355405408.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-817)



    Kopparapu's Recent Venus for Star Kepler-817 distance : 0.790 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-817 distance : 1.001 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-817 distance : 0.967 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-817 distance : 1.060 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-817 distance : 1.764 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-817 distance : 1.860 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-817)



  • Original Kopparapu Recent Venus for Star Kepler-817 distance : 0.793 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-817 distance : 1.028 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-817 distance : 1.049 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-817 distance : 1.795 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-817 distance : 1.867 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-817)



    (Position in Stellar Map of star Kepler-817 )



    (Zoomed position in Stellar Map of star Kepler-817 (zoom level 3))

    (Synthetic Spectrum of star Kepler-174*)
    *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