K2-203

Display orbital revolution around the star K2-203
Imaginary Picture of Star K2-203
Star Name : K2-203
Alternate Name : "2MASS J00510570-0111452, EPIC 220170303, WISE J005105.68-011145.1"
Star Distance (LY/pc): 544.4522 (LY) 166.9300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7600 (Rsun, estimated)
Stellar Mass (Msun): 0.7900 (Msun/observed) 0.7900 (Msun/estimated)
Spectral type : K2
Metalicity : -0.0700
Absolute Magnitude : 4.66
Apparent Magnitude : 10.77
Right Ascension(RA) : 12.77374
Declination(DEC) : -1.19589
  • This is the K2-203 . The star K2-203 islocated about 544.5 light-years (166.9 pc) away from our Solar System.
  • The star K2-203 has apparent magnitude of 10.8, with absolute magnitude of 4.7.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5000 with its spectral types of K2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-203 b radius 0.122000 mass 0.009541 orbital distance 0.000000
    (Illustration of the K2-203's Planetary System)



    The Star K2-203 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.412 AU ( 61576034.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.569 AU ( 85114170.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.867 AU ( 129695160.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.276 AU ( 190852110.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-203)



    Kopparapu's Recent Venus for Star K2-203 distance : 0.445 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-203 distance : 0.564 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-203 distance : 0.545 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-203 distance : 0.597 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-203 distance : 1.022 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-203 distance : 1.078 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-203)



  • Original Kopparapu Recent Venus for Star K2-203 distance : 0.441 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-203 distance : 0.581 AU
  • Original Kopparapu Moist Greenhouse for Star K2-203 distance : 0.583 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-203 distance : 1.039 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-203 distance : 1.080 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-203)



    (Position in Stellar Map of star K2-203 )



    (Zoomed position in Stellar Map of star K2-203 (zoom level 3))

    (Synthetic Spectrum of star Kepler-918*)
    *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