Kepler-178

Display orbital revolution around the star Kepler-178
Imaginary Picture of Star Kepler-178
Star Name : Kepler-178
Alternate Name : "2MASS J19082426+4653473, KIC 9941859, KOI-528, WISE J190824.25+465347.1"
Star Distance (LY/pc): 2384.3308 (LY) 731.0400 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0700 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.8969 (Msun/estimated)
Spectral type : G5
Metalicity : -0.1880
Absolute Magnitude : 3.96
Apparent Magnitude : 13.28
Right Ascension(RA) : 287.10109
Declination(DEC) : 46.89648
  • This is the Kepler-178 . The star Kepler-178 islocated about 2384.3 light-years (731.0 pc) away from our Solar System.
  • The star Kepler-178 has apparent magnitude of 13.3, with absolute magnitude of 4.0.
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-178 b radius 0.259000 mass 0.022358 orbital distance 0.085000
  • Name of the 2 Planet Kepler-178 c radius 0.257000 mass 0.022198 orbital distance 0.142000
  • Name of the 3 Planet Kepler-178 d radius 0.352000 mass 0.029741 orbital distance 0.397000
    (Illustration of the Kepler-178's Planetary System)



    The Star Kepler-178 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.747 AU ( 111718903.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.032 AU ( 154424720.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.573 AU ( 235309099.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.315 AU ( 346267647.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-178)



    Kopparapu's Recent Venus for Star Kepler-178 distance : 0.779 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-178 distance : 0.986 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-178 distance : 0.952 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-178 distance : 1.044 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-178 distance : 1.746 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-178 distance : 1.842 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-178)



  • Original Kopparapu Recent Venus for Star Kepler-178 distance : 0.778 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-178 distance : 1.014 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-178 distance : 1.030 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-178 distance : 1.777 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-178 distance : 1.848 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-178)



    (Position in Stellar Map of star Kepler-178 )



    (Zoomed position in Stellar Map of star Kepler-178 (zoom level 3))

    (Synthetic Spectrum of star Sun*)
    *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