Kepler-1804

Display orbital revolution around the star Kepler-1804
Imaginary Picture of Star Kepler-1804
Star Name : Kepler-1804
Alternate Name : "8591173, KOI-2181"
Star Distance (LY/pc): 1417.0043 (LY) 434.4560 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7790 (Rsun, estimated)
Stellar Mass (Msun): 0.7900 (Msun/observed) 0.7900 (Msun/estimated)
Spectral type : K2V
Metalicity : 0.1000
Absolute Magnitude : 6.49
Apparent Magnitude : 14.68
Right Ascension(RA) : 301.34286
Declination(DEC) : 44.67221
  • This is the Kepler-1804 . The star Kepler-1804 islocated about 1417.0 light-years (434.5 pc) away from our Solar System.
  • The star Kepler-1804 has apparent magnitude of 14.7, with absolute magnitude of 6.5.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4869 with its spectral types of K2V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1804 b radius 0.142390 mass 0.012818 orbital distance 0.101700
    (Illustration of the Kepler-1804's Planetary System)



    The Star Kepler-1804 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.400 AU ( 59851511.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.553 AU ( 82730429.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.843 AU ( 126062866.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.240 AU ( 185507029.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1804)



    Kopparapu's Recent Venus for Star Kepler-1804 distance : 0.435 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1804 distance : 0.551 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1804 distance : 0.532 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1804 distance : 0.584 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1804 distance : 1.005 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1804 distance : 1.060 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1804)



  • Original Kopparapu Recent Venus for Star Kepler-1804 distance : 0.430 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1804 distance : 0.568 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1804 distance : 0.569 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1804 distance : 1.021 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1804 distance : 1.062 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1804)



    (Position in Stellar Map of star Kepler-1804 )



    (Zoomed position in Stellar Map of star Kepler-1804 (zoom level 3))

    (Synthetic Spectrum of star Kepler-733*)
    *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