K2-389

Display orbital revolution around the star K2-389
Imaginary Picture of Star K2-389
Star Name : K2-389
Alternate Name : "EPIC 245991048, TYC 5830-96-1"
Star Distance (LY/pc): 845.4224 (LY) 259.2080 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0840 (Rsun, estimated)
Stellar Mass (Msun): 0.8020 (Msun/observed) 0.8020 (Msun/estimated)
Spectral type : G2V
Metalicity : -0.0340
Absolute Magnitude : 4.64
Apparent Magnitude : 11.71
Right Ascension(RA) : 355.63042
Declination(DEC) : -9.71358
  • This is the K2-389 . The star K2-389 islocated about 845.4 light-years (259.2 pc) away from our Solar System.
  • The star K2-389 has apparent magnitude of 11.7, with absolute magnitude of 4.6.
  • It is 0.8 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5782 with its spectral types of G2V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-389 b radius 0.194840 mass 0.017780 orbital distance 0.076200
  • Name of the 2 Planet K2-389 c radius 0.182000 mass 0.016550 orbital distance 0.137800
    (Illustration of the K2-389's Planetary System)



    The Star K2-389 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.785 AU ( 117447443.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.085 AU ( 162343060.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.654 AU ( 247374897.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.433 AU ( 364022998.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-389)



    Kopparapu's Recent Venus for Star K2-389 distance : 0.814 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-389 distance : 1.030 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-389 distance : 0.995 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-389 distance : 1.091 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-389 distance : 1.819 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-389 distance : 1.919 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-389)



  • Original Kopparapu Recent Venus for Star K2-389 distance : 0.815 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-389 distance : 1.059 AU
  • Original Kopparapu Moist Greenhouse for Star K2-389 distance : 1.078 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-389 distance : 1.851 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-389 distance : 1.925 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-389)



    (Position in Stellar Map of star K2-389 )



    (Zoomed position in Stellar Map of star K2-389 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1160*)
    *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