K2-57

Display orbital revolution around the star K2-57
Imaginary Picture of Star K2-57
Star Name : K2-57
Alternate Name : "2MASS J22504600-1404116, EPIC 206026136, WISE J225046.02-140411.8"
Star Distance (LY/pc): 868.3251 (LY) 266.2300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6200 (Rsun, estimated)
Stellar Mass (Msun): 0.6800 (Msun/observed) 0.6800 (Msun/estimated)
Spectral type : K5
Metalicity : 0.0000
Absolute Magnitude : 5.22
Apparent Magnitude : 12.35
Right Ascension(RA) : 342.69171
Declination(DEC) : -14.06989
  • This is the K2-57 . The star K2-57 islocated about 868.3 light-years (266.2 pc) away from our Solar System.
  • The star K2-57 has apparent magnitude of 12.3, with absolute magnitude of 5.2.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4434 with its spectral types of K5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-57 b radius 0.187000 mass 0.016515 orbital distance 0.074600
    (Illustration of the K2-57's Planetary System)



    The Star K2-57 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.264 AU ( 39504009.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.365 AU ( 54604865.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.556 AU ( 83205730.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.818 AU ( 122440877.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-57)



    Kopparapu's Recent Venus for Star K2-57 distance : 0.292 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-57 distance : 0.370 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-57 distance : 0.357 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-57 distance : 0.392 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-57 distance : 0.688 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-57 distance : 0.725 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-57)



  • Original Kopparapu Recent Venus for Star K2-57 distance : 0.288 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-57 distance : 0.382 AU
  • Original Kopparapu Moist Greenhouse for Star K2-57 distance : 0.382 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-57 distance : 0.699 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-57 distance : 0.727 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-57)



    (Position in Stellar Map of star K2-57 )



    (Zoomed position in Stellar Map of star K2-57 (zoom level 3))

    (Synthetic Spectrum of star Kepler-796*)
    *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