Kepler-657

Display orbital revolution around the star Kepler-657
Imaginary Picture of Star Kepler-657
Star Name : Kepler-657
Alternate Name : "2MASS J19244735+4718280, KIC 10272442, KOI-734, WISE J192447.34+471827.4"
Star Distance (LY/pc): 4057.3806 (LY) 1244.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0100 (Rsun, estimated)
Stellar Mass (Msun): 1.0100 (Msun/observed) 1.0100 (Msun/estimated)
Spectral type : G2
Metalicity : 0.0300
Absolute Magnitude : 3.66
Apparent Magnitude : 14.13
Right Ascension(RA) : 291.19730
Declination(DEC) : 47.30780
  • This is the Kepler-657 . The star Kepler-657 islocated about 4057.4 light-years (1244.0 pc) away from our Solar System.
  • The star Kepler-657 has apparent magnitude of 14.1, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5808 with its spectral types of G2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-657 b radius 0.314000 mass 0.026743 orbital distance 0.000000
    (Illustration of the Kepler-657's Planetary System)



    The Star Kepler-657 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.738 AU ( 110416175.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.020 AU ( 152624010.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.555 AU ( 232565215.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.288 AU ( 342229903.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-657)



    Kopparapu's Recent Venus for Star Kepler-657 distance : 0.764 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-657 distance : 0.967 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-657 distance : 0.934 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-657 distance : 1.024 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-657 distance : 1.706 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-657 distance : 1.800 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-657)



  • Original Kopparapu Recent Venus for Star Kepler-657 distance : 0.765 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-657 distance : 0.994 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-657 distance : 1.012 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-657 distance : 1.736 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-657 distance : 1.806 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-657)



    (Position in Stellar Map of star Kepler-657 )



    (Zoomed position in Stellar Map of star Kepler-657 (zoom level 3))

    (Synthetic Spectrum of star Kepler-154*)
    *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