K2-198
Imaginary Picture of Star K2-198
Star Name : K2-198
Alternate Name : EPIC 212768333
Star Distance (LY/pc): 361.7404 (LY) 110.9102 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7570 (Rsun, estimated)
Stellar Mass (Msun): 0.7990 (Msun/observed) 0.7990 (Msun/estimated)
Spectral type : K0
Metalicity : 0.0000
Absolute Magnitude : 5.78
Apparent Magnitude : 11.00
Right Ascension(RA) : 198.84384
Declination(DEC) : -6.46489
  • This is the K2-198 . The star K2-198 islocated about 361.7 light-years (110.9 pc) away from our Solar System.
  • The star K2-198 has apparent magnitude of 11.0, with absolute magnitude of 5.8.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5212 with its spectral types of K0
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet K2-198 b radius 0.373720 mass 0.051164 orbital distance 0.090830
  • Name of the 2 Planet K2-198 c radius 0.126950 mass 0.011034 orbital distance 0.030770
  • Name of the 3 Planet K2-198 d radius 0.217510 mass 0.019007 orbital distance 0.052340
    (Illustration of the K2-198's Planetary System)



    The Star K2-198 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.445 AU ( 66644268.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.616 AU ( 92119795.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.938 AU ( 140370182.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.381 AU ( 206560872.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-198)



    Kopparapu's Recent Venus for Star K2-198 distance : 0.477 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-198 distance : 0.604 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-198 distance : 0.583 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-198 distance : 0.640 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-198 distance : 1.085 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-198 distance : 1.145 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-198)



  • Original Kopparapu Recent Venus for Star K2-198 distance : 0.473 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-198 distance : 0.622 AU
  • Original Kopparapu Moist Greenhouse for Star K2-198 distance : 0.626 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-198 distance : 1.104 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-198 distance : 1.148 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-198)



    (Position in Stellar Map of star K2-198 )



    (Zoomed position in Stellar Map of star K2-198 (zoom level 3))