Kepler-357

Display orbital revolution around the star Kepler-357
Imaginary Picture of Star Kepler-357
Star Name : Kepler-357
Alternate Name : "2MASS J19245834+4400313, KIC 8164257, KOI-2073, WISE J192458.31+440031.2"
Star Distance (LY/pc): 2290.3000 (LY) 702.2100 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8300 (Rsun, estimated)
Stellar Mass (Msun): 0.7800 (Msun/observed) 0.7800 (Msun/estimated)
Spectral type : K1
Metalicity : 0.0510
Absolute Magnitude : 4.76
Apparent Magnitude : 13.99
Right Ascension(RA) : 291.24310
Declination(DEC) : 44.00872
  • This is the Kepler-357 . The star Kepler-357 islocated about 2290.3 light-years (702.2 pc) away from our Solar System.
  • The star Kepler-357 has apparent magnitude of 14.0, with absolute magnitude of 4.8.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5036 with its spectral types of K1
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-357 b radius 0.164000 mass 0.014617 orbital distance 0.063000
  • Name of the 2 Planet Kepler-357 c radius 0.238000 mass 0.020667 orbital distance 0.120000
  • Name of the 3 Planet Kepler-357 d radius 0.306000 mass 0.026109 orbital distance 0.246000
    (Illustration of the Kepler-357's Planetary System)



    The Star Kepler-357 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.456 AU ( 68219361.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.630 AU ( 94296984.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.960 AU ( 143687737.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.413 AU ( 211442799.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-357)



    Kopparapu's Recent Venus for Star Kepler-357 distance : 0.492 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-357 distance : 0.623 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-357 distance : 0.602 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-357 distance : 0.660 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-357 distance : 1.128 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-357 distance : 1.190 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-357)



  • Original Kopparapu Recent Venus for Star Kepler-357 distance : 0.487 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-357 distance : 0.642 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-357 distance : 0.645 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-357 distance : 1.147 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-357 distance : 1.193 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-357)



    (Position in Stellar Map of star Kepler-357 )



    (Zoomed position in Stellar Map of star Kepler-357 (zoom level 3))

    (Synthetic Spectrum of star 2MASS J19095216+4128178*)
    *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