Kepler-57

Display orbital revolution around the star Kepler-57
Imaginary Picture of Star Kepler-57
Star Name : Kepler-57
Alternate Name : "KOI-1270, KIC 8564587, 2MASS 19343390+4439253, 2MASS J19343390+4439253, WISE J193433.91+443925.4"
Star Distance (LY/pc): 2140.2717 (LY) 656.2110 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7300 (Rsun, estimated)
Stellar Mass (Msun): 0.8300 (Msun/observed) 0.8300 (Msun/estimated)
Spectral type : K1
Metalicity : -0.0400
Absolute Magnitude : 6.41
Apparent Magnitude : 15.50
Right Ascension(RA) : 293.64129
Declination(DEC) : 44.65704
  • 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 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5145 with its spectral types of K1
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-57 b radius 0.210000 mass 0.372000 orbital distance 0.000000
  • Name of the 2 Planet Kepler-57 c radius 0.150000 mass 0.023300 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 ) : 0.419 AU ( 62625575.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.579 AU ( 86564911.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.882 AU ( 131905768.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.298 AU ( 194105116.7 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 : 0.450 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-57 distance : 0.569 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-57 distance : 0.550 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-57 distance : 0.603 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-57 distance : 1.026 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-57 distance : 1.082 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-57)



  • Original Kopparapu Recent Venus for Star Kepler-57 distance : 0.446 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-57 distance : 0.586 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-57 distance : 0.590 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-57 distance : 1.043 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-57 distance : 1.085 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))

    (Synthetic Spectrum of star HIP 5763*)
    *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