K2-408

Display orbital revolution around the star K2-408
Imaginary Picture of Star K2-408
Star Name : K2-408
Alternate Name : EPIC 249816490
Star Distance (LY/pc): 529.3708 (LY) 162.3060 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7840 (Rsun, estimated)
Stellar Mass (Msun): 0.8130 (Msun/observed) 0.8130 (Msun/estimated)
Spectral type : G8V
Metalicity : -0.1710
Absolute Magnitude : 5.89
Apparent Magnitude : 11.94
Right Ascension(RA) : 227.91726
Declination(DEC) : -17.68413
  • This is the K2-408 . The star K2-408 islocated about 529.4 light-years (162.3 pc) away from our Solar System.
  • The star K2-408 has apparent magnitude of 11.9, with absolute magnitude of 5.9.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5335 with its spectral types of G8V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-408 b radius 0.149610 mass 0.012240 orbital distance 0.139000
    (Illustration of the K2-408's Planetary System)



    The Star K2-408 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.483 AU ( 72317436.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.668 AU ( 99961596.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.018 AU ( 152319350.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.498 AU ( 224144597.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-408)



    Kopparapu's Recent Venus for Star K2-408 distance : 0.514 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-408 distance : 0.651 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-408 distance : 0.629 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-408 distance : 0.689 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-408 distance : 1.165 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-408 distance : 1.229 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-408)



  • Original Kopparapu Recent Venus for Star K2-408 distance : 0.511 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-408 distance : 0.670 AU
  • Original Kopparapu Moist Greenhouse for Star K2-408 distance : 0.676 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-408 distance : 1.185 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-408 distance : 1.232 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-408)



    (Position in Stellar Map of star K2-408 )



    (Zoomed position in Stellar Map of star K2-408 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1178*)
    *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