K2-204

Display orbital revolution around the star K2-204
Imaginary Picture of Star K2-204
Star Name : K2-204
Alternate Name : "2MASS J01093180-0031031, EPIC 220186645, WISE J010931.80-003103.7"
Star Distance (LY/pc): 1801.8673 (LY) 552.4557 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1800 (Rsun, estimated)
Stellar Mass (Msun): 1.0100 (Msun/observed) 1.0100 (Msun/estimated)
Spectral type : G3
Metalicity : 0.0700
Absolute Magnitude : 3.13
Apparent Magnitude : 11.84
Right Ascension(RA) : 17.38252
Declination(DEC) : -0.51762
  • This is the K2-204 . The star K2-204 islocated about 1801.9 light-years (552.5 pc) away from our Solar System.
  • The star K2-204 has apparent magnitude of 11.8, with absolute magnitude of 3.1.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5755 with its spectral types of G3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-204 b radius 0.272000 mass 0.023400 orbital distance 0.000000
    (Illustration of the K2-204's Planetary System)



    The Star K2-204 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.847 AU ( 126657460.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.170 AU ( 175073709.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.783 AU ( 266773590.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.624 AU ( 392569024.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-204)



    Kopparapu's Recent Venus for Star K2-204 distance : 0.879 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-204 distance : 1.113 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-204 distance : 1.075 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-204 distance : 1.178 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-204 distance : 1.966 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-204 distance : 2.074 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-204)



  • Original Kopparapu Recent Venus for Star K2-204 distance : 0.879 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-204 distance : 1.144 AU
  • Original Kopparapu Moist Greenhouse for Star K2-204 distance : 1.164 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-204 distance : 2.001 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-204 distance : 2.081 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-204)



    (Position in Stellar Map of star K2-204 )



    (Zoomed position in Stellar Map of star K2-204 (zoom level 3))

    (Synthetic Spectrum of star Kepler-995*)
    *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