Kepler-398

Display orbital revolution around the star Kepler-398
Imaginary Picture of Star Kepler-398
Star Name : Kepler-398
Alternate Name : "2MASS J19255247+4020378, KIC 5185897, KOI-2693, WISE J192552.51+402037.4"
Star Distance (LY/pc): 581.4383 (LY) 178.2700 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6100 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.6779 (Msun/estimated)
Spectral type : K5
Metalicity : -0.0460
Absolute Magnitude : 5.26
Apparent Magnitude : 11.51
Right Ascension(RA) : 291.46866
Declination(DEC) : 40.34385
  • This is the Kepler-398 . The star Kepler-398 islocated about 581.4 light-years (178.3 pc) away from our Solar System.
  • The star Kepler-398 has apparent magnitude of 11.5, with absolute magnitude of 5.3.
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-398 b radius 0.083000 mass 0.002379 orbital distance 0.044000
  • Name of the 2 Planet Kepler-398 c radius 0.090000 mass 0.003176 orbital distance 0.087000
  • Name of the 3 Planet Kepler-398 d radius 0.079000 mass 0.001996 orbital distance 0.000000
    (Illustration of the Kepler-398's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.267 AU ( 39908075.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.369 AU ( 55163389.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.562 AU ( 84056798.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.827 AU ( 123693260.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-398)



    Kopparapu's Recent Venus for Star Kepler-398 distance : 0.295 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-398 distance : 0.373 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-398 distance : 0.360 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-398 distance : 0.395 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-398 distance : 0.691 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-398 distance : 0.729 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-398)



  • Original Kopparapu Recent Venus for Star Kepler-398 distance : 0.291 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-398 distance : 0.385 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-398 distance : 0.385 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-398 distance : 0.703 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-398 distance : 0.731 AU

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



    (Position in Stellar Map of star Kepler-398 )



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

    (Synthetic Spectrum of star Kepler-11*)
    *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