K2-208

Display orbital revolution around the star K2-208
Imaginary Picture of Star K2-208
Star Name : K2-208
Alternate Name : "2MASS J01230698+0053210, EPIC 220225178, WISE J012306.96+005320.5"
Star Distance (LY/pc): 850.2946 (LY) 260.7018 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8600 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G6
Metalicity : -0.1100
Absolute Magnitude : 4.08
Apparent Magnitude : 11.16
Right Ascension(RA) : 20.77910
Declination(DEC) : 0.88918
  • This is the K2-208 . The star K2-208 islocated about 850.3 light-years (260.7 pc) away from our Solar System.
  • The star K2-208 has apparent magnitude of 11.2, with absolute magnitude of 4.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5582 with its spectral types of G6
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-208 b radius 0.150000 mass 0.013453 orbital distance 0.000000
    (Illustration of the K2-208's Planetary System)



    The Star K2-208 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.581 AU ( 86843282.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.802 AU ( 120040110.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.223 AU ( 182914563.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.799 AU ( 269166793.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-208)



    Kopparapu's Recent Venus for Star K2-208 distance : 0.609 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-208 distance : 0.771 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-208 distance : 0.744 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-208 distance : 0.816 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-208 distance : 1.369 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-208 distance : 1.444 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-208)



  • Original Kopparapu Recent Venus for Star K2-208 distance : 0.607 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-208 distance : 0.793 AU
  • Original Kopparapu Moist Greenhouse for Star K2-208 distance : 0.803 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-208 distance : 1.393 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-208 distance : 1.448 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-208)



    (Position in Stellar Map of star K2-208 )



    (Zoomed position in Stellar Map of star K2-208 (zoom level 3))

    (Synthetic Spectrum of star Kepler-999*)
    *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