Kepler-777

Display orbital revolution around the star Kepler-777
Imaginary Picture of Star Kepler-777
Star Name : Kepler-777
Alternate Name : "2MASS J18505377+4420473, KIC 8346392, KOI-1141, WISE J185053.78+442047.4"
Star Distance (LY/pc): 1249.1775 (LY) 383.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5600 (Rsun, estimated)
Stellar Mass (Msun): 0.5800 (Msun/observed) 0.5800 (Msun/estimated)
Spectral type : K7
Metalicity : -0.1700
Absolute Magnitude : 5.96
Apparent Magnitude : 13.88
Right Ascension(RA) : 282.72406
Declination(DEC) : 44.34648
  • This is the Kepler-777 . The star Kepler-777 islocated about 1249.2 light-years (383.0 pc) away from our Solar System.
  • The star Kepler-777 has apparent magnitude of 13.9, with absolute magnitude of 6.0.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4043 with its spectral types of K7
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-777 b radius 0.131000 mass 0.012380 orbital distance 0.000000
    (Illustration of the Kepler-777's Planetary System)



    The Star Kepler-777 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.198 AU ( 29665633.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.274 AU ( 41005657.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.418 AU ( 62483547.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.615 AU ( 91947277.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-777)



    Kopparapu's Recent Venus for Star Kepler-777 distance : 0.222 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-777 distance : 0.281 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-777 distance : 0.271 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-777 distance : 0.297 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-777 distance : 0.532 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-777 distance : 0.561 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-777)



  • Original Kopparapu Recent Venus for Star Kepler-777 distance : 0.219 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-777 distance : 0.290 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-777 distance : 0.290 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-777 distance : 0.540 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-777 distance : 0.562 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-777)



    (Position in Stellar Map of star Kepler-777 )



    (Zoomed position in Stellar Map of star Kepler-777 (zoom level 3))

    (Synthetic Spectrum of star Kepler-199*)
    *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