K2-197

Display orbital revolution around the star K2-197
Imaginary Picture of Star K2-197
Star Name : K2-197
Alternate Name : "2MASS J13293447-0722262, EPIC 212735333, WISE J132934.44-072226.3"
Star Distance (LY/pc): 813.0930 (LY) 249.2957 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9300 (Rsun, estimated)
Stellar Mass (Msun): 1.0000 (Msun/observed) 1.0000 (Msun/estimated)
Spectral type : G5
Metalicity : 0.0800
Absolute Magnitude : 3.90
Apparent Magnitude : 10.88
Right Ascension(RA) : 202.39366
Declination(DEC) : -7.37400
  • This is the K2-197 . The star K2-197 islocated about 813.1 light-years (249.3 pc) away from our Solar System.
  • The star K2-197 has apparent magnitude of 10.9, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5667 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-197 b radius 0.228000 mass 0.019859 orbital distance 0.080600
    (Illustration of the K2-197's Planetary System)



    The Star K2-197 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.647 AU ( 96793788.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.894 AU ( 133794310.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.363 AU ( 203872920.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.005 AU ( 300007933.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-197)



    Kopparapu's Recent Venus for Star K2-197 distance : 0.675 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-197 distance : 0.855 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-197 distance : 0.826 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-197 distance : 0.905 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-197 distance : 1.514 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-197 distance : 1.597 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-197)



  • Original Kopparapu Recent Venus for Star K2-197 distance : 0.674 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-197 distance : 0.879 AU
  • Original Kopparapu Moist Greenhouse for Star K2-197 distance : 0.892 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-197 distance : 1.541 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-197 distance : 1.602 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-197)



    (Position in Stellar Map of star K2-197 )



    (Zoomed position in Stellar Map of star K2-197 (zoom level 3))

    (Synthetic Spectrum of star Kepler-989*)
    *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