HD 118203

Display orbital revolution around the star HD 118203
Imaginary Picture of Star HD 118203
Star Name : HD 118203
Alternate Name :
Star Distance (LY/pc): 297.0455 (LY) 91.0747 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1554 (Rsun, estimated)
Stellar Mass (Msun): 1.2300 (Msun/observed) 1.2300 (Msun/estimated)
Spectral type : K0
Metalicity : 0.1000
Absolute Magnitude : 3.25
Apparent Magnitude : 8.05
Right Ascension(RA) : 203.51058
Declination(DEC) : 53.72833
  • This is the HD 118203 . The star HD 118203 islocated about 297.0 light-years (91.1 pc) away from our Solar System.
  • The star HD 118203 has apparent magnitude of 8.1, with absolute magnitude of 3.3.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5600 with its spectral types of K0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 118203 b radius 1.133000 mass 2.173000 orbital distance 0.070820
    (Illustration of the HD 118203's Planetary System)



    The Star HD 118203 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.785 AU ( 117423961.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.085 AU ( 162310602.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.653 AU ( 247325438.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.433 AU ( 363950216.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 118203)



    Kopparapu's Recent Venus for Star HD 118203 distance : 0.467 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 118203 distance : 0.591 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 118203 distance : 0.571 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 118203 distance : 0.626 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 118203 distance : 1.050 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 118203 distance : 1.107 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 118203)



  • Original Kopparapu Recent Venus for Star HD 118203 distance : 0.466 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 118203 distance : 0.608 AU
  • Original Kopparapu Moist Greenhouse for Star HD 118203 distance : 0.617 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 118203 distance : 1.068 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 118203 distance : 1.110 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 118203)



    (Position in Stellar Map of star HD 118203 )



    (Zoomed position in Stellar Map of star HD 118203 (zoom level 3))

    (Synthetic Spectrum of star HD 45184*)
    *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