K2-398

Display orbital revolution around the star K2-398
Imaginary Picture of Star K2-398
Star Name : K2-398
Alternate Name : EPIC 248463350
Star Distance (LY/pc): 1979.7408 (LY) 606.9920 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2390 (Rsun, estimated)
Stellar Mass (Msun): 0.9450 (Msun/observed) 0.9450 (Msun/estimated)
Spectral type : G0V
Metalicity : -0.2570
Absolute Magnitude : 4.23
Apparent Magnitude : 13.15
Right Ascension(RA) : 161.73504
Declination(DEC) : 1.93670
  • This is the K2-398 . The star K2-398 islocated about 1979.7 light-years (607.0 pc) away from our Solar System.
  • The star K2-398 has apparent magnitude of 13.2, with absolute magnitude of 4.2.
  • It is 0.9 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5946 with its spectral types of G0V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-398 b radius 0.202870 mass 0.019130 orbital distance 0.066400
  • Name of the 2 Planet K2-398 c radius 0.454820 mass 0.073660 orbital distance 0.136200
    (Illustration of the K2-398's Planetary System)



    The Star K2-398 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.949 AU ( 141964327.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.312 AU ( 196231799.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.999 AU ( 299013837.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.941 AU ( 440011960.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-398)



    Kopparapu's Recent Venus for Star K2-398 distance : 0.974 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-398 distance : 1.233 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-398 distance : 1.191 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-398 distance : 1.305 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-398 distance : 2.168 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-398 distance : 2.287 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-398)



  • Original Kopparapu Recent Venus for Star K2-398 distance : 0.978 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-398 distance : 1.266 AU
  • Original Kopparapu Moist Greenhouse for Star K2-398 distance : 1.294 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-398 distance : 2.206 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-398 distance : 2.295 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-398)



    (Position in Stellar Map of star K2-398 )



    (Zoomed position in Stellar Map of star K2-398 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1168*)
    *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