HD 219666

Display orbital revolution around the star HD 219666
Imaginary Picture of Star HD 219666
Star Name : HD 219666
Alternate Name :
Star Distance (LY/pc): 307.9849 (LY) 94.4287 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0300 (Rsun, estimated)
Stellar Mass (Msun): 0.9200 (Msun/observed) 0.9200 (Msun/estimated)
Spectral type : G7
Metalicity : 0.0400
Absolute Magnitude : 17.12
Apparent Magnitude : 22.00
Right Ascension(RA) : 349.55679
Declination(DEC) : -56.90389
  • This is the HD 219666 . The star HD 219666 islocated about 308.0 light-years (94.4 pc) away from our Solar System.
  • The star HD 219666 has apparent magnitude of 22.0, with absolute magnitude of 17.1.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5527 with its spectral types of G7
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 219666 b radius 0.420200 mass 0.052200 orbital distance 0.063560
    (Illustration of the HD 219666's Planetary System)



    The Star HD 219666 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.682 AU ( 101970433.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.942 AU ( 140949787.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.436 AU ( 214776283.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.113 AU ( 316052710.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 219666)



    Kopparapu's Recent Venus for Star HD 219666 distance : 0.717 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 219666 distance : 0.908 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 219666 distance : 0.877 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 219666 distance : 0.962 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 219666 distance : 1.615 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 219666 distance : 1.703 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 219666)



  • Original Kopparapu Recent Venus for Star HD 219666 distance : 0.715 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 219666 distance : 0.934 AU
  • Original Kopparapu Moist Greenhouse for Star HD 219666 distance : 0.946 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 219666 distance : 1.643 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 219666 distance : 1.709 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 219666)



    (Position in Stellar Map of star HD 219666 )



    (Zoomed position in Stellar Map of star HD 219666 (zoom level 3))

    (Synthetic Spectrum of star HD 112640*)
    *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