K2-357

Display orbital revolution around the star K2-357
Imaginary Picture of Star K2-357
Star Name : K2-357
Alternate Name : EPIC 211730267
Star Distance (LY/pc): 1688.4672 (LY) 517.6870 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0000 (Rsun, estimated)
Stellar Mass (Msun): 0.9800 (Msun/observed) 0.9800 (Msun/estimated)
Spectral type : G2V
Metalicity : -0.0200
Absolute Magnitude : 5.06
Apparent Magnitude : 13.63
Right Ascension(RA) : 131.93867
Declination(DEC) : 16.32893
  • This is the K2-357 . The star K2-357 islocated about 1688.5 light-years (517.7 pc) away from our Solar System.
  • The star K2-357 has apparent magnitude of 13.6, with absolute magnitude of 5.1.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5794 with its spectral types of G2V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-357 b radius 0.331900 mass 0.028158 orbital distance 0.145000
    (Illustration of the K2-357's Planetary System)



    The Star K2-357 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.727 AU ( 108796542.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.005 AU ( 150385253.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.532 AU ( 229153846.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.254 AU ( 337209923.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-357)



    Kopparapu's Recent Venus for Star K2-357 distance : 0.753 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-357 distance : 0.954 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-357 distance : 0.921 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-357 distance : 1.010 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-357 distance : 1.683 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-357 distance : 1.775 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-357)



  • Original Kopparapu Recent Venus for Star K2-357 distance : 0.754 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-357 distance : 0.980 AU
  • Original Kopparapu Moist Greenhouse for Star K2-357 distance : 0.998 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-357 distance : 1.713 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-357 distance : 1.781 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-357)



    (Position in Stellar Map of star K2-357 )



    (Zoomed position in Stellar Map of star K2-357 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1131*)
    *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