Kepler-157

Display orbital revolution around the star Kepler-157
Imaginary Picture of Star Kepler-157
Star Name : Kepler-157
Alternate Name : "2MASS J19242333+3852321, KIC 3745690, KOI-442, WISE J192423.32+385232.2"
Star Distance (LY/pc): 2580.7746 (LY) 791.2700 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0400 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.9722 (Msun/estimated)
Spectral type : G3
Metalicity : -0.1080
Absolute Magnitude : 3.45
Apparent Magnitude : 12.94
Right Ascension(RA) : 291.09722
Declination(DEC) : 38.87561
  • This is the Kepler-157 . The star Kepler-157 islocated about 2580.8 light-years (791.3 pc) away from our Solar System.
  • The star Kepler-157 has apparent magnitude of 12.9, with absolute magnitude of 3.4.
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-157 b radius 0.118000 mass 0.008449 orbital distance 0.028000
  • Name of the 2 Planet Kepler-157 c radius 0.200000 mass 0.017580 orbital distance 0.110000
  • Name of the 3 Planet Kepler-157 d radius 0.130000 mass 0.012037 orbital distance 0.000000
    (Illustration of the Kepler-157's Planetary System)



    The Star Kepler-157 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.751 AU ( 112368610.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.038 AU ( 155322785.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.582 AU ( 236677551.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.328 AU ( 348281385.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-157)



    Kopparapu's Recent Venus for Star Kepler-157 distance : 0.779 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-157 distance : 0.986 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-157 distance : 0.952 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-157 distance : 1.044 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-157 distance : 1.742 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-157 distance : 1.837 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-157)



  • Original Kopparapu Recent Venus for Star Kepler-157 distance : 0.780 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-157 distance : 1.013 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-157 distance : 1.032 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-157 distance : 1.772 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-157 distance : 1.843 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-157)



    (Position in Stellar Map of star Kepler-157 )



    (Zoomed position in Stellar Map of star Kepler-157 (zoom level 3))

    (Synthetic Spectrum of star KIC 8012732*)
    *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