Kepler-57
Imaginary Picture of Star Kepler-57
Star Name : Kepler-57
Alternate Name : "2MASS 19343390+4439253, KIC 8564587, KOI-1270"
Star Distance (LY/pc): 2140.2717 (LY) 656.2110 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7910 (Rsun, estimated)
Stellar Mass (Msun): 0.8840 (Msun/observed) 0.8840 (Msun/estimated)
Spectral type : K0
Metalicity : -0.0400
Absolute Magnitude : 6.41
Apparent Magnitude : 15.50
Right Ascension(RA) : 293.64129
Declination(DEC) : 44.65690
  • This is the Kepler-57 . The star Kepler-57 islocated about 2140.3 light-years (656.2 pc) away from our Solar System.
  • The star Kepler-57 has apparent magnitude of 15.5, with absolute magnitude of 6.4.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5324 with its spectral types of K0
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-57 b radius 0.167700 mass 0.072780 orbital distance 0.000000
  • Name of the 2 Planet Kepler-57 c radius 0.124000 mass 0.017870 orbital distance 0.000000
    (Illustration of the Kepler-57's Planetary System)



    The Star Kepler-57 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.486 AU ( 72662559.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.671 AU ( 100438645.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.023 AU ( 153046269.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.505 AU ( 225214289.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-57)



    Kopparapu's Recent Venus for Star Kepler-57 distance : 0.517 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-57 distance : 0.654 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-57 distance : 0.632 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-57 distance : 0.693 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-57 distance : 1.172 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-57 distance : 1.236 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-57)



  • Original Kopparapu Recent Venus for Star Kepler-57 distance : 0.513 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-57 distance : 0.674 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-57 distance : 0.679 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-57 distance : 1.192 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-57 distance : 1.239 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-57)



    (Position in Stellar Map of star Kepler-57 )



    (Zoomed position in Stellar Map of star Kepler-57 (zoom level 3))