Kepler-818

Display orbital revolution around the star Kepler-818
Imaginary Picture of Star Kepler-818
Star Name : Kepler-818
Alternate Name : "2MASS J19445642+3922132, KIC 4282872, KOI-1325, WISE J194456.39+392212.9"
Star Distance (LY/pc): 3153.9285 (LY) 967.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9200 (Rsun, estimated)
Stellar Mass (Msun): 0.9400 (Msun/observed) 0.9400 (Msun/estimated)
Spectral type : G5
Metalicity : -0.0800
Absolute Magnitude : 3.95
Apparent Magnitude : 13.88
Right Ascension(RA) : 296.23510
Declination(DEC) : 39.37034
  • This is the Kepler-818 . The star Kepler-818 islocated about 3153.9 light-years (967.0 pc) away from our Solar System.
  • The star Kepler-818 has apparent magnitude of 13.9, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5638 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-818 b radius 0.456000 mass 0.112403 orbital distance 0.000000
    (Illustration of the Kepler-818's Planetary System)



    The Star Kepler-818 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.634 AU ( 94775499.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.876 AU ( 131004508.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.334 AU ( 199621879.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.964 AU ( 293752340.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-818)



    Kopparapu's Recent Venus for Star Kepler-818 distance : 0.662 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-818 distance : 0.838 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-818 distance : 0.810 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-818 distance : 0.888 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-818 distance : 1.486 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-818 distance : 1.568 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-818)



  • Original Kopparapu Recent Venus for Star Kepler-818 distance : 0.661 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-818 distance : 0.862 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-818 distance : 0.875 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-818 distance : 1.512 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-818 distance : 1.573 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-818)



    (Position in Stellar Map of star Kepler-818 )



    (Zoomed position in Stellar Map of star Kepler-818 (zoom level 3))

    (Synthetic Spectrum of star Kepler-197*)
    *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