Kepler-1157

Display orbital revolution around the star Kepler-1157
Imaginary Picture of Star Kepler-1157
Star Name : Kepler-1157
Alternate Name : "2MASS J18522905+4331323, KIC 7802719, KOI-2247, WISE J185229.03+433132.2"
Star Distance (LY/pc): 1128.4998 (LY) 346.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7100 (Rsun, estimated)
Stellar Mass (Msun): 0.7600 (Msun/observed) 0.7600 (Msun/estimated)
Spectral type : K4
Metalicity : 0.0500
Absolute Magnitude : 4.99
Apparent Magnitude : 12.68
Right Ascension(RA) : 283.12105
Declination(DEC) : 43.52564
  • This is the Kepler-1157 . The star Kepler-1157 islocated about 1128.5 light-years (346.0 pc) away from our Solar System.
  • The star Kepler-1157 has apparent magnitude of 12.7, with absolute magnitude of 5.0.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4679 with its spectral types of K4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1157 b radius 0.097000 mass 0.004155 orbital distance 0.000000
    (Illustration of the Kepler-1157's Planetary System)



    The Star Kepler-1157 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.337 AU ( 50375869.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.465 AU ( 69632615.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.709 AU ( 106104696.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.044 AU ( 156137709.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1157)



    Kopparapu's Recent Venus for Star Kepler-1157 distance : 0.369 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1157 distance : 0.468 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1157 distance : 0.452 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1157 distance : 0.495 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1157 distance : 0.859 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1157 distance : 0.906 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1157)



  • Original Kopparapu Recent Venus for Star Kepler-1157 distance : 0.365 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1157 distance : 0.483 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1157 distance : 0.483 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1157 distance : 0.873 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1157 distance : 0.908 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1157)



    (Position in Stellar Map of star Kepler-1157 )



    (Zoomed position in Stellar Map of star Kepler-1157 (zoom level 3))

    (Synthetic Spectrum of star Kepler-345*)
    *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