K2-404

Display orbital revolution around the star K2-404
Imaginary Picture of Star K2-404
Star Name : K2-404
Alternate Name : EPIC 248861279
Star Distance (LY/pc): 396.7035 (LY) 121.6300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5520 (Rsun, estimated)
Stellar Mass (Msun): 0.5520 (Msun/observed) 0.5520 (Msun/estimated)
Spectral type : M2V
Metalicity : 0.0050
Absolute Magnitude : 9.13
Apparent Magnitude : 14.56
Right Ascension(RA) : 160.32500
Declination(DEC) : 12.19124
  • This is the K2-404 . The star K2-404 islocated about 396.7 light-years (121.6 pc) away from our Solar System.
  • The star K2-404 has apparent magnitude of 14.6, with absolute magnitude of 9.1.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3600 with its spectral types of M2V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-404 b radius 0.225700 mass 0.023060 orbital distance 0.000000
    (Illustration of the K2-404's Planetary System)



    The Star K2-404 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.155 AU ( 23184738.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.214 AU ( 32047366.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.326 AU ( 48833094.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.480 AU ( 71860038.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-404)



    Kopparapu's Recent Venus for Star K2-404 distance : 0.175 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-404 distance : 0.221 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-404 distance : 0.214 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-404 distance : 0.234 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-404 distance : 0.428 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-404 distance : 0.452 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-404)



  • Original Kopparapu Recent Venus for Star K2-404 distance : 0.173 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-404 distance : 0.229 AU
  • Original Kopparapu Moist Greenhouse for Star K2-404 distance : 0.229 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-404 distance : 0.435 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-404 distance : 0.453 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-404)



    (Position in Stellar Map of star K2-404 )



    (Zoomed position in Stellar Map of star K2-404 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1174*)
    *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