K2-228

Display orbital revolution around the star K2-228
Imaginary Picture of Star K2-228
Star Name : K2-228
Alternate Name : "2MASS J12291074-0650033, EPIC 228798746, WISE J122910.73-065003.2"
Star Distance (LY/pc): 529.2077 (LY) 162.2560 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6500 (Rsun, estimated)
Stellar Mass (Msun): 0.7100 (Msun/observed) 0.7100 (Msun/estimated)
Spectral type : K3
Metalicity : -0.2500
Absolute Magnitude : 4.93
Apparent Magnitude : 10.98
Right Ascension(RA) : 187.29478
Declination(DEC) : -6.83426
  • This is the K2-228 . The star K2-228 islocated about 529.2 light-years (162.3 pc) away from our Solar System.
  • The star K2-228 has apparent magnitude of 11.0, with absolute magnitude of 4.9.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4715 with its spectral types of K3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-228 b radius 0.108000 mass 0.006124 orbital distance 0.033800
    (Illustration of the K2-228's Planetary System)



    The Star K2-228 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.313 AU ( 46831154.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.433 AU ( 64732893.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.659 AU ( 98638604.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.970 AU ( 145151028.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-228)



    Kopparapu's Recent Venus for Star K2-228 distance : 0.343 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-228 distance : 0.434 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-228 distance : 0.419 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-228 distance : 0.460 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-228 distance : 0.796 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-228 distance : 0.840 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-228)



  • Original Kopparapu Recent Venus for Star K2-228 distance : 0.339 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-228 distance : 0.448 AU
  • Original Kopparapu Moist Greenhouse for Star K2-228 distance : 0.448 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-228 distance : 0.810 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-228 distance : 0.842 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-228)



    (Position in Stellar Map of star K2-228 )



    (Zoomed position in Stellar Map of star K2-228 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1018*)
    *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