K2-72

Display orbital revolution around the star K2-72
Imaginary Picture of Star K2-72
Star Name : K2-72
Alternate Name : "2MASS J22182923-0936444, EPIC 206209135"
Star Distance (LY/pc): 217.0871 (LY) 66.5593 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3300 (Rsun, estimated)
Stellar Mass (Msun): 0.2700 (Msun/observed) 0.2700 (Msun/estimated)
Spectral type : M5
Metalicity : 0.0000
Absolute Magnitude : 7.57
Apparent Magnitude : 11.69
Right Ascension(RA) : 334.62190
Declination(DEC) : -9.61238
  • This is the K2-72 . The star K2-72 islocated about 217.1 light-years (66.6 pc) away from our Solar System.
  • The star K2-72 has apparent magnitude of 11.7, with absolute magnitude of 7.6.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3360 with its spectral types of M5
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet K2-72 b radius 0.096000 mass 0.004003 orbital distance 0.040000
  • Name of the 2 Planet K2-72 c radius 0.103000 mass 0.005159 orbital distance 0.078000
  • Name of the 3 Planet K2-72 d radius 0.090000 mass 0.003176 orbital distance 0.050000
  • Name of the 4 Planet K2-72 e radius 0.115000 mass 0.007693 orbital distance 0.106000
    (Illustration of the K2-72's Planetary System)



    The Star K2-72 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.081 AU ( 12073984.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.112 AU ( 16689401.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.170 AU ( 25430954.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.250 AU ( 37422763.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-72)



    Kopparapu's Recent Venus for Star K2-72 distance : 0.091 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-72 distance : 0.116 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-72 distance : 0.112 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-72 distance : 0.122 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-72 distance : 0.226 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-72 distance : 0.239 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-72)



  • Original Kopparapu Recent Venus for Star K2-72 distance : 0.091 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-72 distance : 0.120 AU
  • Original Kopparapu Moist Greenhouse for Star K2-72 distance : 0.120 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-72 distance : 0.230 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-72 distance : 0.239 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-72)



    (Position in Stellar Map of star K2-72 )



    (Zoomed position in Stellar Map of star K2-72 (zoom level 3))

    (Synthetic Spectrum of star Kepler-808*)
    *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