Kepler-1669

Display orbital revolution around the star Kepler-1669
Imaginary Picture of Star Kepler-1669
Star Name : Kepler-1669
Alternate Name : "4770365, 2MASS J19494329+3950522, KIC 4770365, KOI-1475, WISE J194943.27+395052.2"
Star Distance (LY/pc): 1772.4752 (LY) 543.4440 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7140 (Rsun, estimated)
Stellar Mass (Msun): 0.6700 (Msun/observed) 0.6700 (Msun/estimated)
Spectral type : K7V
Metalicity : -0.2000
Absolute Magnitude : 7.80
Apparent Magnitude : 16.47
Right Ascension(RA) : 297.43038
Declination(DEC) : 39.84784
  • This is the Kepler-1669 . The star Kepler-1669 islocated about 1772.5 light-years (543.4 pc) away from our Solar System.
  • The star Kepler-1669 has apparent magnitude of 16.5, with absolute magnitude of 7.8.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4303 with its spectral types of K7V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-1669 b radius 0.248000 mass 0.021474 orbital distance 0.072900
  • Name of the 2 Planet Kepler-1669 c radius 0.169600 mass 0.015081 orbital distance 0.022300
  • Name of the 3 Planet Kepler-1669 d radius 0.143000 mass 0.012869 orbital distance 0.046800
    (Illustration of the Kepler-1669's Planetary System)



    The Star Kepler-1669 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.286 AU ( 42844888.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.396 AU ( 59222832.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.603 AU ( 90242490.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.888 AU ( 132795778.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1669)



    Kopparapu's Recent Venus for Star Kepler-1669 distance : 0.318 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1669 distance : 0.403 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1669 distance : 0.389 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1669 distance : 0.427 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1669 distance : 0.753 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1669 distance : 0.795 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1669)



  • Original Kopparapu Recent Venus for Star Kepler-1669 distance : 0.314 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1669 distance : 0.416 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1669 distance : 0.416 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1669 distance : 0.766 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1669 distance : 0.796 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1669)



    (Position in Stellar Map of star Kepler-1669 )



    (Zoomed position in Stellar Map of star Kepler-1669 (zoom level 3))

    (Synthetic Spectrum of star Kepler-609*)
    *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