K2-188

Display orbital revolution around the star K2-188
Imaginary Picture of Star K2-188
Star Name : K2-188
Alternate Name : "2MASS J08391527+2321269, EPIC 212164470, WISE J083915.28+232126.8"
Star Distance (LY/pc): 1477.1605 (LY) 452.9000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1900 (Rsun, estimated)
Stellar Mass (Msun): 1.0600 (Msun/observed) 1.0600 (Msun/estimated)
Spectral type : G1
Metalicity : -0.0100
Absolute Magnitude : 3.22
Apparent Magnitude : 11.50
Right Ascension(RA) : 129.81363
Declination(DEC) : 23.35748
  • This is the K2-188 . The star K2-188 islocated about 1477.2 light-years (452.9 pc) away from our Solar System.
  • The star K2-188 has apparent magnitude of 11.5, with absolute magnitude of 3.2.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5977 with its spectral types of G1
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-188 b radius 0.120000 mass 0.008982 orbital distance 0.028900
  • Name of the 2 Planet K2-188 c radius 0.252000 mass 0.021796 orbital distance 0.078500
    (Illustration of the K2-188's Planetary System)



    The Star K2-188 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.921 AU ( 137775369.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.273 AU ( 190441566.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.940 AU ( 290190802.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.855 AU ( 427028477.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-188)



    Kopparapu's Recent Venus for Star K2-188 distance : 0.943 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-188 distance : 1.194 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-188 distance : 1.153 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-188 distance : 1.264 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-188 distance : 2.099 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-188 distance : 2.213 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-188)



  • Original Kopparapu Recent Venus for Star K2-188 distance : 0.948 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-188 distance : 1.226 AU
  • Original Kopparapu Moist Greenhouse for Star K2-188 distance : 1.255 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-188 distance : 2.136 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-188 distance : 2.221 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-188)



    (Position in Stellar Map of star K2-188 )



    (Zoomed position in Stellar Map of star K2-188 (zoom level 3))

    (Synthetic Spectrum of star Kepler-903*)
    *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