K2-218

Display orbital revolution around the star K2-218
Imaginary Picture of Star K2-218
Star Name : K2-218
Alternate Name : "2MASS J00511431+0650473, EPIC 220503236, WISE J005114.31+065047.1"
Star Distance (LY/pc): 1268.9414 (LY) 389.0596 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0100 (Rsun, estimated)
Stellar Mass (Msun): 1.0500 (Msun/observed) 1.0500 (Msun/estimated)
Spectral type : G3
Metalicity : 0.2500
Absolute Magnitude : 3.61
Apparent Magnitude : 11.56
Right Ascension(RA) : 12.80966
Declination(DEC) : 6.84646
  • This is the K2-218 . The star K2-218 islocated about 1268.9 light-years (389.1 pc) away from our Solar System.
  • The star K2-218 has apparent magnitude of 11.6, with absolute magnitude of 3.6.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5757 with its spectral types of G3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-218 b radius 0.229000 mass 0.019940 orbital distance 0.000000
    (Illustration of the K2-218's Planetary System)



    The Star K2-218 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.725 AU ( 108485562.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.002 AU ( 149955398.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.527 AU ( 228498841.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.248 AU ( 336246055.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-218)



    Kopparapu's Recent Venus for Star K2-218 distance : 0.753 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-218 distance : 0.953 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-218 distance : 0.920 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-218 distance : 1.009 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-218 distance : 1.684 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-218 distance : 1.776 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-218)



  • Original Kopparapu Recent Venus for Star K2-218 distance : 0.753 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-218 distance : 0.979 AU
  • Original Kopparapu Moist Greenhouse for Star K2-218 distance : 0.997 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-218 distance : 1.713 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-218 distance : 1.782 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-218)



    (Position in Stellar Map of star K2-218 )



    (Zoomed position in Stellar Map of star K2-218 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1009*)
    *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